--- title: ZeroBounce Reviews meta_title: 'ZeroBounce Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 1367 reviews by the users' company size, role or industry to find out how ZeroBounce works for a business like yours. aggregate_rating: rating_value: 4.7 review_count: 1367 scale: '5' date_modified: '2026-07-20' parent_category: name: Collaboration & Productivity url: https://www.g2.com/categories/collaboration-productivity --- # ZeroBounce Reviews **Vendor:** ZeroBounce **Category:** [Email Verification Software](https://www.g2.com/categories/email-verification) **Average Rating:** 4.7/5.0 **Total Reviews:** 1,367 ## About ZeroBounce ZeroBounce is an award-winning email verification and deliverability platform helping 400,000+ customers improve their email ROI and inbox placement. Its premier deliverability services include: 99% accurate email validation - Remove outdated and risky email addresses to lower email bounce rates and maintain a positive sender reputation. Email Finder - Find new, valid business email addresses and scale your B2B outreach DMARC Monitor - Secure your emails and prevent phishing scams with unlimited email monitoring, security alerts, and automated reporting Email Deliverability Tools - Improve inbox visibility with customized toolkits. Includes email server testing, inbox placement testing, Email Finder, and DMARC Monitoring Activity Data & Email Scoring - Find your most active email subscribers with Activity Data. Additionally, Email Scoring service provides more in-depth insights about your email list to help you achieve email success. ZeroBounce has validated 25+ billion emails and serves companies of all sizes, from solo business owners to Amazon, Disney, Netflix, and Sephora. The platform ensures military-grade security and is GDPR, SOC 2 Type II, ISO-27001-certified, and fully HIPAA compliant. ## ZeroBounce Pros & Cons **What users like:** - Users value the **high accuracy** of ZeroBounce's reports, greatly enhancing lead quality and generation performance. (434 reviews) - Users appreciate the **ease of use** of ZeroBounce, enjoying quick and accurate email validation for campaigns. (403 reviews) - Users value the **data accuracy** of ZeroBounce, enhancing email validation and protecting their domain effectively. (249 reviews) - Users value the **effective email verification** of ZeroBounce, enhancing domain protection and ensuring list quality. (204 reviews) - Users appreciate the **fast and accurate email validation** of ZeroBounce, leading to enhanced lead quality and lower bounces. (179 reviews) - Speed (164 reviews) - User Interface (129 reviews) - Data Cleaning (113 reviews) - Fast Processing (104 reviews) - Helpful (103 reviews) **What users dislike:** - Users find ZeroBounce to be **expensive** , wishing it were more affordable especially for larger contact lists. (159 reviews) - Users report **inaccuracy in email validation** with ZeroBounce, noting issues with greylisted emails causing delays and incorrect results. (54 reviews) - Users experience **verification issues** with ZeroBounce, as unverified emails occasionally still pass through, causing delivery concerns. (53 reviews) - Users find **credit limitations** annoying, especially when verifying large lists, leading to quick depletion of credits. (49 reviews) - Users face **insufficient data** with ZeroBounce, struggling with limited free credits and overwhelming information. (49 reviews) - Users find the **costly services** of ZeroBounce can be high for large volumes, limiting accessibility and flexibility. (47 reviews) - Improvement Needed (44 reviews) - Users experience **slow performance** with ZeroBounce, particularly when processing large email lists, impacting efficiency. (43 reviews) - Users find the **limited credits** of ZeroBounce challenging, especially when dealing with fluctuating email volumes. (42 reviews) - Data Accuracy (36 reviews) ## ZeroBounce Reviews ### 1. ZeroBounce Review: The Heavyweight of Email Verification **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 17, 2025 **What do you like best about ZeroBounce?** If I had to pick one reason to use ZeroBounce over cheaper alternatives, it's AI Email Scoring. Most verifiers just mark "catch-all" emails (emails that accept all mail) as "Risky" or "Unknown," forcing you to either delete them (losing leads) or email them (risking bounces). ZeroBounce rates these specific emails on a 0–10 quality scale. This lets you confidently keep the high-scoring leads that other tools would have told you to throw away. **What do you dislike about ZeroBounce?** My biggest gripe is that ZeroBounce is overly conservative. To protect its 99% accuracy guarantee, it often marks valid "catch-all" emails as "Invalid" or "Do Not Mail." If you are a salesperson trying to find every possible lead, this is frustrating because you end up throwing away good contacts just because ZeroBounce is playing it too safe. You can fix this by using their AI Scoring feature, but that costs extra credits. **What problems is ZeroBounce solving and how is that benefiting you?** The biggest problem ZeroBounce solves for me is the fear of "burning" my domain. Before using it, I struggled with high bounce rates that were causing my newsletters to land in the Spam folder—even for valid subscribers—because Gmail and Outlook started mistrusting my IP address. ### 2. A great way to quickly process leads **Rating:** 5.0/5.0 stars **Reviewed by:** Tim H. | Sales Technology Solutions Analyst **Reviewed Date:** January 27, 2026 **What do you like best about ZeroBounce?** I can easily build a list of 1000+ leads and quickly process which leads are a working email and which aren't. **What do you dislike about ZeroBounce?** The obvious downside is that if an email is Catch-All Zerobounce will be unable to verify if the email is valid. **What problems is ZeroBounce solving and how is that benefiting you?** Before if I got a list of emails I'd have to send an email and hope for a bounce back to know if the email was indeed valid. Now I know if the email is valid before wasting my time sending that test email. Massive productivity boost for me personally ### 3. A solid email validation service for ensuring clean lists **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** February 14, 2026 **What do you like best about ZeroBounce?** ZeroBounce makes validating email lists quick, easy and worry-free. The interface is very intuitive and it's thorough list cleaning process means that my bounce rates are negligible. I consider it an essential tool for maintaining a healthy list. **What do you dislike about ZeroBounce?** The process to validate the catch-all emails takes a good while, but they're not a major portion of my marketing. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce removes invalid email addresses from my lists, ensuring that my email accounts are protected at that my emails make it to the inbox. ### 4. ZeroBounce Has Elevated Our Email Campaigns **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consulting **Reviewed Date:** December 11, 2025 **What do you like best about ZeroBounce?** The platform is fast, user-friendly, and reliable. I also appreciate the detailed breakdown of validation results, which gives us confidence that our lists are healthy and compliant. Since using ZeroBounce, our bounce rates have dropped, and our campaigns are reaching the audiences we intend them to reach. **What do you dislike about ZeroBounce?** There is nothing that I Dislike about this platform. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce has been a game changer for our marketing workflow. As a company that sends frequent email campaigns, maintaining a clean and accurate list is essential and ZeroBounce has made that possible. The validation tools have helped us remove risky or inactive contacts before every send, which has noticeably improved our deliverability, open rates, and overall campaign performance. ### 5. Reliable solution, but not the best pricing. **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Renewables & Environment | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** July 14, 2025 **What do you like best about ZeroBounce?** Zerobounce works really well and is easy to implement. It's a very focused solution and a great starting point. Our team was struggling with an massive influx of spam emails being submitted on our website form as a result of PMAX campaigns on Google Ads. The ZeroBounce email verification functionality stopped that problem dead in its tracks. Not a single invalid email has passed through after implementing ZeroBounce and our lead quality improved significantly. **What do you dislike about ZeroBounce?** While the solution is very effective, their pricing is not competitive compared to comparable solutions like NeverBounce. We are a smaller website, so it would be nice if ZeroBounce had better pricing for less credits used (currently 2,000 credits per month is their minimum). **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce has completely removed the submission of fake emails to our website contact form for lead generation. Now our lead quality has significantly recovered and our marketing emails are no longer resulting in bounce errors. **Official Response from Corina Leslie:** > Thank you so much for your detailed feedback! We're thrilled to hear ZeroBounce helped you stop fake emails and improve your lead quality. That kind of impact is exactly what we strive for. We hear you on the pricing, especially for smaller sites with lighter usage. Your input is really valuable as we're evaluating ways to make our pricing more flexible. Thanks again for choosing us, we appreciate it! ### 6. One of the best email validation tools around **Rating:** 5.0/5.0 stars **Reviewed by:** Andy K. **Reviewed Date:** January 20, 2026 **What do you like best about ZeroBounce?** We love using Zerobounce since the email validation tools are very accurate. These days the email service providers are very particular about using clean lists. If you get high bounce rates, you'll burn your domains. Plain and simple. That's why it's so important to use a great email validation too. That's why we chose Zerobounce, because it works the best. **What do you dislike about ZeroBounce?** Nothing that I dislike so far, but it can get expensive if you're doing large lists. **What problems is ZeroBounce solving and how is that benefiting you?** Their email validation is second to none, we're not getting high bounce rates anymore like we used to. ### 7. Highly Effective and Easy-to-Use Email Verification Tool **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** October 20, 2025 **What do you like best about ZeroBounce?** Accuracy: ZeroBounce does a fantastic job of identifying invalid, disposable, and temporary emails, making email lists cleaner and more reliable. API Integration: For people who want to automate the process, the API integration is smooth and allows seamless integration with other systems. **What do you dislike about ZeroBounce?** Pricing: It’s a bit on the pricier side compared to some other email validation tools, especially for smaller businesses or those who need to validate lists frequently. Pricing is based on the number of emails, so it can add up. **What problems is ZeroBounce solving and how is that benefiting you?** Preventing Spam Traps and Abuse Emails Problem: Spam traps, abuse emails, and other low-quality addresses can lead to emails being flagged as spam, potentially getting blacklisted. Benefit: ZeroBounce’s spam trap and abuse email detection filters out these risky addresses before you even send your campaign, safeguarding your brand's reputation and preventing emails from going to spam folders. **Official Response from Corina Leslie:** > Thank you for your detailed review! We’re delighted to hear ZeroBounce’s accuracy and API integration have helped you maintain clean, reliable lists and protect your sender reputation. We appreciate your note on pricing. If you’re looking for more value, you might want to explore ZeroBounce ONE, our subscription that bundles all of our tools into one plan: https://www.zerobounce.net/zerobounce-one ### 8. ZeroBounce is amazing. **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Consulting **Reviewed Date:** December 27, 2025 **What do you like best about ZeroBounce?** I really like how the credits never expire and how easy the interface is to use. I've also noticed that it takes a really long time for my old leads to you know, expire and go away. So I have enough time to save them into my system. So I'm very pleased with that. **What do you dislike about ZeroBounce?** I guess zero bounce I've noticed is maybe a little bit more expensive than the others. But other than that, I really don't have any complaints with it. **What problems is ZeroBounce solving and how is that benefiting you?** e-mail verification for cold e-mail and it works really well. So I'm very pleased with it and I haven't switched to another tool. ### 9. Zerobounce's email validations are insanely helpful. **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 25, 2025 **What do you like best about ZeroBounce?** Zerobounce is how I validate businesses for my email campaign. The pay per verfication is cheap and its good. I was able to immediatly drop email bounces <1%. Cheap and quick is why I choose them. They also are simple to use and can easily be hooked up with tools like zapier. **What do you dislike about ZeroBounce?** I can't really come up with something. If I HAD too I would say API limits, but that's because my agency uses it at a high rate. This is not an issue for 99% of zerobounce users. **What problems is ZeroBounce solving and how is that benefiting you?** For email validaiton, I need actual good emails that can be contacted from. They solved high bounce rates and lessened the chances of emailing inboxes that would result in us being hit by spam filters. This is exactly what we needed and with their pricing there's no way we are switching anytime soon. ### 10. Manual validation was exhausting. I verified 25,000 contacts in two days. A game‑changer! **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Banking **Reviewed Date:** February 05, 2026 **What do you like best about ZeroBounce?** Its accuracy and speed — ZeroBounce cleans huge contact lists quickly and reliably, which saves a ton of time **What do you dislike about ZeroBounce?** Catch‑all emails cost 2 credits, which often makes companies hesitant to buy. As a result, we still end up manually checking catch‑all contacts on LinkedIn **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce eliminates invalid, risky, and catch‑all emails, which used to take hours of manual LinkedIn checking. Now my lists are cleaner, deliverability is higher, and I save huge amounts of time — like validating 25k contacts in just two days. ### 11. Incredible Results **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** January 07, 2026 **What do you like best about ZeroBounce?** As a Realtor, it is vital to keep my referral and "Sphere of Influence" Lists valid in my "Customer Relationship Management" database. I have tried other services, and I am not sure what type of magic Zero Bounce uses, but it works incredibly well. The process is user friendly, affordable, and the results are quick and extremely accurate. **What do you dislike about ZeroBounce?** There is virtually no downside to using ZeroBounce. The only downside would be if you didn't use ZeroBounce and keep using old stale email lists that ultimately damage your server reputation. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce ensures that my email lists only contain valid emails free of known complainers, spam traps, and "honey pots." With ZeroBounce, my lists are as clean as possible and my complaint rates extremely low, which ultimately protects my server reputation and ensures the highest possible deliverability. ### 12. Affordable and Highly Accurate Email Verification **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Retail **Reviewed Date:** February 02, 2026 **What do you like best about ZeroBounce?** ZeroBounce is very affordable compared to other email verification tools, and the accuracy is consistently high. It helps reduce bounce rates and improves overall email campaign performance. **What do you dislike about ZeroBounce?** The interface could be improved slightly, and some advanced features take time to fully understand. However, these are minor issues compared to the overall value it provides. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce clearly verifies whether user email addresses are valid and actually exist. This helps prevent sending emails to invalid or fake addresses, reduces bounce rates, and improves overall email deliverability. ### 13. A great tool to reach our objectives **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer Software **Reviewed Date:** January 14, 2026 **What do you like best about ZeroBounce?** ZeroBounce helps us maintain a clean and high-quality email database by providing accurate insights into email validity and deliverability. It plays a key role in protecting our sender reputation, improving campaign performance, and optimizing overall email marketing results. **What do you dislike about ZeroBounce?** While the platform is very effective, it could benefit from offering more detailed insights and actionable recommendations. Additionally, having native integrations with platforms like Zoho Campaigns would greatly improve workflow efficiency and make it easier to activate clean data directly within our marketing ecosystem. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us solve the problem of poor data quality in our email marketing databases by identifying invalid, risky, and inactive email addresses. This allows us to reduce bounce rates, protect our sender and domain reputation, improve deliverability, and ultimately increase engagement and ROI across our email campaigns. ### 14. Overpriced email deliverability service **Rating:** 1.5/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** February 14, 2026 **What do you like best about ZeroBounce?** ZeroBounce is easy to use and had good offerings for the price. Unfortunately, their pricing took a turn for the worse when they forced all users to sign up for subscription bundles. These are bloated and loaded with features you don't use, and you pay extra for services you don't want. **What do you dislike about ZeroBounce?** ZeroBounce used to let you pick and choose which services you wanted. This made them better than competitors that forced you to buy bloated subscriptions. ZeroBounce has taken a turn for the worse and now exclusively sells the same bloated packages. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us clean our email lists to ensure addresses are valid and the placement tests are useful. ### 15. Accuracy, Speed, Outcome **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consumer Goods **Reviewed Date:** January 20, 2026 **What do you like best about ZeroBounce?** I trust ZeroBounce for the accurate results it provides. I’ve already integrated it with our CRM, and now we can be confident that all our email addresses are valid, verified, and ready to use across different emailing platforms for better deliverability and performance. **What do you dislike about ZeroBounce?** I don’t really dislike anything about ZeroBounce. It has been reliable, accurate, and easy to use since we integrated it with our CRM. The results are consistent, and it helps us keep our email lists clean and ready for campaigns. Overall, it works great. **What problems is ZeroBounce solving and how is that benefiting you?** Email validation ### 16. Handy Tool for Clearing Hard Bounces **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** January 22, 2026 **What do you like best about ZeroBounce?** Highly efficient way to scrub email lists. Hard bounces get you in trouble with email distribution partners, which can be sensitive. 10% or more often results in account suspension, then negotiations to restore services. Just run your lists through ZeroBounce and eliminate all the bad addresses, or at least enough to fly below the 10% threshold. Much easier to do this than negotiate to restore services week to week. **What do you dislike about ZeroBounce?** Its great, no complaints. Fast upload and decent turnaround time. **What problems is ZeroBounce solving and how is that benefiting you?** Clearing hard bounces from Customer provided email lists. ### 17. Unbeatable Non-Expiring Credits and Easy CSV Uploads, Now with More Features **Rating:** 4.5/5.0 stars **Reviewed by:** Rich B. | Director of IT, Mid-Market (51-1000 emp.) **Reviewed Date:** November 03, 2025 **What do you like best about ZeroBounce?** Hands down the best thing is that credits NEVER expire. We did a massive validation of over 600,000 emails three years ago. If I recall, 1 million credits was less expensive than 500,000 plus 100,000. Marketing has 3 new batches of 25,000 each and when I logged in (3 years later) our credits are still there and valid! Amazing. Loading .CSV files is super easy. **What do you dislike about ZeroBounce?** I haven't looked for 3yrs, but there are a bunch of new features. 3yrs ago it was pretty feature light. **What problems is ZeroBounce solving and how is that benefiting you?** Zerobounce is keeping us on the right side of CANSPAM and eliminating bad emails from lists we get from shows or large partners. Poor record keeping from a partner used to cost us our reputation. Now we can just check everything. **Official Response from Corina Leslie:** > Thank you for your review, Rich! We’re so happy to hear you’ve had a great long-term experience with ZeroBounce and that our non-expiring credits and easy uploads have made your work easier. It’s wonderful to know we’ve helped you stay compliant and protect your sender reputation over the years. ### 18. Precise Email Validation with Seamless API Integration **Rating:** 4.5/5.0 stars **Reviewed by:** Minh N. | Data Management Specialist, APAC & NAMER - Accounts Prioritisation & CRM Automation, Mid-Market (51-1000 emp.) **Reviewed Date:** June 11, 2025 **What do you like best about ZeroBounce?** ZeroBounce delivers fast, accurate email verification backed by in-depth, easy-to-read reporting. Their real-time API integration makes it simple to embed validation into your existing workflows, catching typos, spam traps, and disposable addresses before they impact deliverability. Combined with a comprehensive dashboard that surfaces actionable insights, ZeroBounce is a reliable, developer-friendly solution for keeping your mailing lists clean and engaged. **What do you dislike about ZeroBounce?** A sizeable portion of addresses get labeled “catch-all,” meaning ZeroBounce can’t decisively verify deliverability—so we either risk sending to them or discard potentially valid contacts. **What problems is ZeroBounce solving and how is that benefiting you?** By validating every address before we send, ZeroBounce not only boosts inbox placement—ensuring our messages reach real subscribers rather than bouncing or hitting spam filters—but also protects our sender reputation by keeping bounce and complaint rates low. At the same time, its rigorous cleansing helps us maintain GDPR, CAN-SPAM, and other compliance standards, removing unverified or outdated contacts to reduce legal risk and demonstrate responsible data management. **Official Response from Corina Leslie:** > Thanks so much for the fantastic review! We love hearing how ZeroBounce is helping you boost deliverability. You’re absolutely right that catch-all domains can be tricky. However, many of our customers love our scoring service to further investigate catch-all emails and make more informed decisions. We recommend you only keep contacts with a score between 8 and 10 in your list. Here's more info: https://www.zerobounce.net/services/email-scoring/ Hope this helps, and thanks again for trusting ZeroBounce! ### 19. Accurate and Easy to Use **Rating:** 4.0/5.0 stars **Reviewed by:** Marcomm A. | Marketing Specialist **Reviewed Date:** November 25, 2025 **What do you like best about ZeroBounce?** ZeroBounce is easy to use. It easily integrates with my HubSpot CRM and the two way flow of data is accurate and never causes any issues. I also enjoy the AI Summaries of the list verification and the visualizations. **What do you dislike about ZeroBounce?** One thing I wish is if ZeroBounce kept a track of emails that have already been verified and do not charge a credit whenever I enter an email which has already been verified earlier. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us verify our marketing email lists. They also give us a status which helps us make decisions better. ZeroBounce has helped me achieve an email deliverability rate of over 99% and a bounce rate of less than 0.05%. **Official Response from Corina Leslie:** > Thank you for sharing your feedback. We’re thrilled to hear that you find ZeroBounce easy to use and that the HubSpot integration, AI summaries, and visualizations are adding value to your workflow. We also appreciate your suggestion about tracking previously verified emails to avoid using credits again. We’re always looking for ways to improve the platform and make it even more convenient for our users, and input like yours is invaluable in guiding those improvements. ### 20. A Must-Have Tool for Cold Email Outreach **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** September 09, 2025 **What do you like best about ZeroBounce?** What I like best about ZeroBounce is how accurate and reliable it is at cleaning and verifying my email lists. It gives me confidence that my emails are going to valid inboxes, which has drastically improved my deliverability and reduced bounce rates. I also like how fast the platform processes large lists and how simple the dashboard is to navigate — it saves me time and makes my outreach more effective. **What do you dislike about ZeroBounce?** What I dislike about ZeroBounce is honestly very minimal. The platform works really well, but if I had to point something out, it would be that the credits can run out quickly when verifying large lists. That said, the accuracy and deliverability improvements easily make it worth the investment. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce is solving the problem of invalid and risky email addresses in my outreach lists. Before using it, I dealt with high bounce rates that hurt my sender reputation and limited the effectiveness of my cold email campaigns. Now, I can confidently send campaigns knowing my emails are reaching real inboxes. This has improved deliverability, protected my domain, and ultimately helped me generate more positive responses and opportunities from my outreach. **Official Response from Corina Leslie:** > Thank you for your thoughtful review! We’re so glad ZeroBounce has boosted your deliverability and made your outreach more effective. It’s great to hear the speed and accuracy are saving you time and helping you reach more inboxes! We appreciate your note about credits — if you’re looking for more flexibility, you might want to check out ZeroBounce ONE, our subscription that includes all our tools under one plan: https://www.zerobounce.net/zerobounce-one Wishing you continued success with your campaigns, and thank you again for recommending us! ### 21. Reliable and easy-to-use email validation tool **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Hospital & Health Care **Reviewed Date:** February 10, 2026 **What do you like best about ZeroBounce?** What I like most about ZeroBounce is its accuracy and reliability when validating email lists. It helps keep bounce rates low and protects sender reputation, which is crucial for any email marketing campaign. **What do you dislike about ZeroBounce?** The most helpful aspect is the detailed validation results and clear categorization of email statuses. It’s very easy to understand which contacts are safe to use and which should be removed, saving time and improving deliverability. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce solves the problem of poor email deliverability caused by invalid, inactive, or risky email addresses. By cleaning lists before campaigns, it significantly reduces bounce rates, protects sender reputation, and improves overall campaign performance, which leads to better open and response rates. ### 22. Clear, accurate feedback on the quality of emails to used in marketing campaigns **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consulting **Reviewed Date:** February 02, 2026 **What do you like best about ZeroBounce?** Easy to use interface, results generated quickly. High level summary that I can copy and paste into email for the team **What do you dislike about ZeroBounce?** We are not using all the capabilities of ZeroBounce software at this point, but nothing to dislike about the email validation service. **What problems is ZeroBounce solving and how is that benefiting you?** Did the email list we acquire have quality emails relevant to our marketing campaign? Avoid emailing to emails that have been flagged for spam or abuse to keep our email reputation clean. ### 23. Silent Hero for Email Marketing **Rating:** 4.5/5.0 stars **Reviewed by:** Prabuddha G. | AVP Business Development, Mid-Market (51-1000 emp.) **Reviewed Date:** February 09, 2026 **What do you like best about ZeroBounce?** If you’ve ever hit "send" on a major email campaign only to watch your bounce rate skyrocket and your sender reputation tank, you know the value of a clean list. ZeroBounce is easily one of the most polished tools I’ve used to tackle this problem, offering a blend of speed, accuracy, and deep data insights. **What do you dislike about ZeroBounce?** more cheaper, its "Pricey for Startups". **What problems is ZeroBounce solving and how is that benefiting you?** Cleaning my email list. also get more than 92% accuracy. ### 24. Deliverability is a challenge **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Accounting **Reviewed Date:** January 02, 2026 **What do you like best about ZeroBounce?** Bar none my favorite thing about using ZB is that it has improved my deliverability. As much research as I try to do prior to contacting a prospect, it is challenging to avoid using bad email on occasion. ZeroBounce has reduced the bad emails I've used. **What do you dislike about ZeroBounce?** Sometimes it is hard to understand the UI, particularly with respect to the testing functionality. To me it feels like the platform was designed more for agencies than for end users. **What problems is ZeroBounce solving and how is that benefiting you?** Improving email deliverability. Lead generation is mission critical for my new business. ### 25. My favourite deliverability tool! **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** January 08, 2026 **What do you like best about ZeroBounce?** Everything. It's easy to use, it supports low budget so every business can get the support they need. It has all the tools you need in one place to monitor, track and improve your deliverability. Plus - lovely bunch of people! **What do you dislike about ZeroBounce?** There needs to be better inboxes for inbox placement tests - like MS265, more outlook emails - it's not a fair representative of what they have now so I have to use more tools to get a accurate results **What problems is ZeroBounce solving and how is that benefiting you?** Helping me audit my clients deliverability ### 26. Efficient Email Validation with Stellar Support **Rating:** 5.0/5.0 stars **Reviewed by:** Alec N. | CEO, Small-Business (50 or fewer emp.) **Reviewed Date:** January 05, 2026 **What do you like best about ZeroBounce?** I use ZeroBounce for screening email deliverability for our clients and our own newsletter. It works well, and I appreciate the great support with quick responses to all our questions. The initial setup was very easy, and I switched from Neverbounce to ZeroBounce because it offers more functionality for a similar price. **What do you dislike about ZeroBounce?** The UI could have a better layout. **What problems is ZeroBounce solving and how is that benefiting you?** I use ZeroBounce for screening email deliverability to ensure valid emails. It offers great support with quick responses. More functionality for a similar price compared to competitors. ### 27. Great tool for validating emails **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** December 01, 2025 **What do you like best about ZeroBounce?** The ability to do validations for emails to verify their authenticity. As a small business, I receive advertising leads from social media and many are questionable. Having the ability to do quick validations on individual emails is great, while at the same time being able to upload a larger list to validate emails. Being able to have a solid list is key. **What do you dislike about ZeroBounce?** Would be nice to not have to go through the full log in process each time, understand the security issue though, so wouldn't want to compromise that. **What problems is ZeroBounce solving and how is that benefiting you?** Reliable contact information for my CRM and drip campaigns to avoid being blacklisted. **Official Response from Corina Leslie:** > Thank you for sharing this. We're glad ZeroBounce helps you quickly validate individual leads and clean up larger lists so you can keep your CRM reliable and protect your campaigns. We hear you on the login process. Security is a priority, but we appreciate the feedback and will keep improving the overall experience. If you ever need anything at all, we're here to help. ### 28. Use the tool to block fraud mails from registering to our Loyalty program. **Rating:** 3.0/5.0 stars **Reviewed by:** Verified User in Airlines/Aviation **Reviewed Date:** February 03, 2026 **What do you like best about ZeroBounce?** Nothing particular it is just a tool that does the standards. Very basic in my opinion **What do you dislike about ZeroBounce?** In any case many fraud domains are not blocked only very obvious cases are handled. **What problems is ZeroBounce solving and how is that benefiting you?** As i mentioned before In any case many fraud domains are not blocked only very obvious cases are handled. In any case a respectfull ammount of registration are blocked so we dont have to handle these accounts deletion also. ### 29. Reliable Email Validation That Delivers Real Results **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Real Estate **Reviewed Date:** January 13, 2026 **What do you like best about ZeroBounce?** We used Zerobounce to validate old customer email addresses that hadn’t been contacted in some time, and the results were excellent. Our re-engagement campaign achieved a very low unsubscribe rate with zero complaints. The platform is easy to use and the validation process is fast and accurate. **What do you dislike about ZeroBounce?** Nothing to talk about. I am not sure what else to say. **What problems is ZeroBounce solving and how is that benefiting you?** We used Zerobounce to validate old customer email addresses that hadn’t been contacted in some time, and the results were excellent. ### 30. The most reliable email validation tool i have used **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** February 08, 2026 **What do you like best about ZeroBounce?** The results are very reliable. I use other tools as a waterfall filter for emails for outreach for my SAAS product. But zerobounce has been the most reliable with the least/minimal bounce rate. So i love this product **What do you dislike about ZeroBounce?** nothing to dislike as of now. The catchall verification takes some time but thats understandable because of the nature of the verification. **What problems is ZeroBounce solving and how is that benefiting you?** Helping me reach potential clients and investors. ### 31. Zero bounce is reliable and I've used it for years **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** February 07, 2026 **What do you like best about ZeroBounce?** Your bounce is quick. You can always check if the email address is valid and instantly... **What do you dislike about ZeroBounce?** Sometimes using ZeroBounce makes it difficult to determine if the user is actually using an email, as it is often listed as catch-all. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps me refine raw email lists and prioritize the most valuable prospects for follow-up. Its verification and filtering capabilities improve data reliability and streamline my outreach process. ### 32. reliable service. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Consumer Goods **Reviewed Date:** January 22, 2026 **What do you like best about ZeroBounce?** Super easy to use and reliable. It cleaned my email list perfectly and helped me reduce bounce rates instantly. **What do you dislike about ZeroBounce?** I wish the pricing packages were a bit more flexible for smaller frequent batches, but overall it's great value. **What problems is ZeroBounce solving and how is that benefiting you?** It solves the problem of high bounce rates in our email campaigns. By removing invalid addresses, it protects our sender reputation and ensures our emails actually land in the inbox, leading to better open rates and engagement. ### 33. Reliable Email Validation Tool That Improves Deliverability **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Market Research **Reviewed Date:** January 22, 2026 **What do you like best about ZeroBounce?** The most valuable part is the accuracy and speed of the validation, especially when working with large datasets. It saves time and improves overall campaign performance. **What do you dislike about ZeroBounce?** Credit usage can add up quickly for large datasets, so it requires some planning to manage costs efficiently. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us identify and remove invalid, inactive, and risky email addresses from our lists. This has reduced bounce rates, protected our sender reputation, and improved overall email campaign performance. ### 34. One of the best & fast in email validation **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Computer Software **Reviewed Date:** October 21, 2025 **What do you like best about ZeroBounce?** What I like most about ZeroBounce is how easy it is to plug in and forget. We use it inside Clay, and it just works - every email we find gets verified automatically before going out. It’s fast, reliable, and honestly saves us a lot of trouble. **What do you dislike about ZeroBounce?** Sometimes we notice a bunch of emails still go through even when they’re not fully safe or verified. It’s not a big issue most times, but would be great if the accuracy was a bit tighter. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us clean and verify all the emails before we start any outreach. It keeps our bounce rate low, protects our domain health, and saves a ton of time we’d otherwise spend cleaning bad data. **Official Response from Corina Leslie:** > Thank you for your review! We’re glad to hear ZeroBounce integrates smoothly into your workflow and helps you maintain low bounce rates and strong domain health. We appreciate your feedback on accuracy! Our team is always fine-tuning our systems to make verification even more precise. ### 35. very smooth and transparent **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Retail **Reviewed Date:** February 15, 2026 **What do you like best about ZeroBounce?** the different phases of validation it provides and helps navigate in the most optimal ways possible. it helps provide a clearer picture of the amount of data used and remaining and the credits utilised. **What do you dislike about ZeroBounce?** so far so good, no issues in validation is needed **What problems is ZeroBounce solving and how is that benefiting you?** email validation when running marketing campaigns and reaching out accurate audience even if it is right party. ### 36. Works fast and helps keep our mailing lists clean **Rating:** 5.0/5.0 stars **Reviewed by:** Alex M. | Events Services **Reviewed Date:** October 20, 2025 **What do you like best about ZeroBounce?** I like how accurate and fast ZeroBounce is. It helps me clean large email lists quickly and improves the overall deliverability of my campaigns. The interface is simple, and the reports are easy to understand. **What do you dislike about ZeroBounce?** Sometimes the credits run out faster than expected, especially when checking large lists, and the jump between pricing tiers feels a bit steep. It would be great to have more flexible top-up options. Other than that, the platform works really well. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps me keep my email lists clean and up to date, which directly improves deliverability and response rates. It saves time and money because I’m not wasting campaigns on invalid or risky addresses. It’s become a key part of my outreach workflow. **Official Response from Corina Leslie:** > Thank you for your review! We’re happy to hear ZeroBounce has become an essential part of your workflow, helping you clean lists quickly and boost deliverability. We appreciate your note on pricing flexibility. If you’re looking for more value and convenience, you might want to explore ZeroBounce ONE, our subscription that bundles all of our tools under one plan: https://www.zerobounce.net/zerobounce-one ### 37. After researching my options... **Rating:** 5.0/5.0 stars **Reviewed by:** Jess K. | Marketing Consultant, Small-Business (50 or fewer emp.) **Reviewed Date:** December 22, 2025 **What do you like best about ZeroBounce?** Comparing it to other tools with the SAME high validation accuracy AND API integation capabilities, ZeroBounce was the best bang for my buck. **What do you dislike about ZeroBounce?** Honestly, it's a great tool. For me, it's just a cost I don't need at the moment. But I'd absolutely upgrade my account in the future. **What problems is ZeroBounce solving and how is that benefiting you?** I have an email list of business owners with great open rates, and I want to keep it that way. ZeroBounce helps me clean out the emails from users who, for their own reasons, shut down their email accounts. ### 38. Most Accurate Thorough Verification We've Found Yet **Rating:** 5.0/5.0 stars **Reviewed by:** Craig H. | Director of Marketinf **Reviewed Date:** January 05, 2026 **What do you like best about ZeroBounce?** ZeroBounce has the most thorough verification vs other tools we've used. They can even handle complex catch-all emails which are always tricky. **What do you dislike about ZeroBounce?** The pay-as-you go is clunky and they of course are trying to encourage you to move into a subscription but that just doesn't make sense for our model. It's not too bad though. **What problems is ZeroBounce solving and how is that benefiting you?** Verifying email addresses on email marketing newsletters for our customers. We integrate ZeroBounce into our product to provide verification and increase deliverability to our customers. ### 39. Reliable Everyday Email Validation for Our Admin & Support Team **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Staffing and Recruiting **Reviewed Date:** January 02, 2026 **What do you like best about ZeroBounce?** As an admin/support team, ZeroBounce has become part of our daily workflow. We use it regularly to validate email lists, reduce bounce rates, and keep our CRM clean. The platform is intuitive, fast, and reliable, which makes everyday tasks easier and more efficient. It’s helped us improve email deliverability and save time by quickly identifying invalid or risky addresses. Overall, ZeroBounce has been a dependable tool that supports our day-to-day operations and helps us maintain high data quality standards. **What do you dislike about ZeroBounce?** Occasional Processing Delays. During peak times, list processing can be slower than expected. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps maintain clean, accurate email lists by removing invalid and risky addresses, reducing bounce rates, protecting sender reputation, and preventing wasted effort on ineffective email sends. ### 40. So good SAAS, works better and good price. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Gambling & Casinos **Reviewed Date:** January 23, 2026 **What do you like best about ZeroBounce?** I really like how the dashboard works; it's easy, practical, and intuitive. Regarding the services, I can say that the one I use, which is the BounceRate for email, works very well. **What do you dislike about ZeroBounce?** Nothing, no dislike nothing about ZeroBounce. **What problems is ZeroBounce solving and how is that benefiting you?** It resolved my bounce issue with AWS. Using the email validator, I was able to drastically reduce the percentage of emails that fail to send any notification using the AWS delivery service. ### 41. Great tool for keeping email lists clean **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services **Reviewed Date:** January 30, 2026 **What do you like best about ZeroBounce?** ZeroBounce is accurate, fast, and reliable for cleaning email lists. It clearly identifies invalid, risky, and catch-all emails, which helps reduce bounce rates and protect sender reputation. The results are easy to understand and the platform is simple to use. **What do you dislike about ZeroBounce?** There’s very little to dislike. Some emails return as catch-all or unknown and require manual review, but this is expected with email verification tools and does not impact overall performance. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us prevent high bounce rates by identifying invalid and risky email addresses before sending campaigns. This protects sender reputation, improves deliverability, and saves time and cost by ensuring emails reach valid recipients. ### 42. Easy to use, reliable results, quick and inexpensive **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising **Reviewed Date:** December 19, 2025 **What do you like best about ZeroBounce?** I love that Zerobounce makes it easy to upload email addresses from a spreadsheet and have results in just a few minutes. Their explanations on the results are easy for a marketing professional to navigate, and help me keep my spam and unsubscribes low for each of the clients I manage. **What do you dislike about ZeroBounce?** I think the monthly subscription is a bit too high, and I'd like a lower price point for subscription. **What problems is ZeroBounce solving and how is that benefiting you?** It's helping me avoid getting rated as spam or promotions, and keeping my unsubscriber counts very low. ### 43. Invaluable tool **Rating:** 5.0/5.0 stars **Reviewed by:** Cathy L. **Reviewed Date:** February 10, 2026 **What do you like best about ZeroBounce?** Ease of use is high on the list. But the complete set of options I have available is a close second. And, I know there is more that I could be doing with ZeroBounce. **What do you dislike about ZeroBounce?** Honestly, I haven't come across anything yet. **What problems is ZeroBounce solving and how is that benefiting you?** In our B2B world people move around a lot. ZeroBounce helps us reduce bounce rates and maintain our list hygiene. ### 44. Quick and simple for a new user to learn and you get your results back fairly quickly. **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Higher Education **Reviewed Date:** January 29, 2026 **What do you like best about ZeroBounce?** I like how easy it is for me to input my sheet with all my emails and how quickly phase 1 results come in. I just ran a validation for 7,880 emails and phase 1 results came back in 20 minutes. **What do you dislike about ZeroBounce?** I wish the AI overview of results explained what catch all meant and what the scoring meant. **What problems is ZeroBounce solving and how is that benefiting you?** Quick email validation that Woodpecker could not accomplish. ### 45. ZeroBounce Review **Rating:** 5.0/5.0 stars **Reviewed by:** Jafreen K. **Reviewed Date:** October 30, 2025 **What do you like best about ZeroBounce?** ZeroBounce is very accurate and easy to use. It quickly validates large email lists, removing invalid, inactive, or risky contacts. I like the detailed reports and the confidence it gives in maintaining high deliverability rates and improving campaign performance. **What do you dislike about ZeroBounce?** Sometimes the processing time can be a bit longer for very large lists, and the credit-based pricing model can get expensive for frequent use. However, overall, the accuracy and reliability make it worth it. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps us maintain clean and verified email lists by removing invalid, duplicate, and spam addresses. This reduces bounce rates, improves deliverability, and ensures our email campaigns reach the right audience — ultimately improving engagement and ROI. **Official Response from Corina Leslie:** > Thank you for your review, Jafreen! We’re happy to hear ZeroBounce gives you confidence in your campaigns and helps maintain high deliverability. We appreciate your note on pricing. Our ZeroBounce ONE subscription might be a good fit, as it includes all of our tools in one plan for greater overall value: https://www.zerobounce.net/zerobounce-one. Thanks again for sharing your experience! ### 46. We love Zero Bounce. We are able to validate our contacts and warmup our emails to reduce spam. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Hospital & Health Care **Reviewed Date:** January 29, 2026 **What do you like best about ZeroBounce?** We love how using your service enables us to reduce our non deliverable emails. **What do you dislike about ZeroBounce?** Nothing at the moment. Our account rep has been wonderful and the site works as we were told it would. **What problems is ZeroBounce solving and how is that benefiting you?** We were in a pickle prior and most of our emails were going to spam. Now, they are going to the recipients inbox which is exactly what we wanted to happen. ### 47. Great service **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Staffing and Recruiting **Reviewed Date:** January 29, 2026 **What do you like best about ZeroBounce?** I use their list cleaning service which helps to keep my clean in tip top shape, and I also use the DMARC and Black list monitors. It helps me stay on top of my email marketing. The webinars are also great. **What do you dislike about ZeroBounce?** Nothing really. It has many of the tools that I need. **What problems is ZeroBounce solving and how is that benefiting you?** Keeping on top of DMARC responses, fixing my list from time to time. ### 48. I absolutely love ZeroBounce **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Primary/Secondary Education **Reviewed Date:** December 06, 2025 **What do you like best about ZeroBounce?** I absolutely love ZeroBounce! It has been the most reliable company that I have ever used when validating my leads and I will always use it as I am loyal at this point. I appreciate the help they give me and the fast customer service that I am provided each time. Thank you ZeroBounce! **What do you dislike about ZeroBounce?** The only thing would be the price compared to other companies like Million Verifier **What problems is ZeroBounce solving and how is that benefiting you?** Right now it is helping keep my deliverability scores high on my emails so that I can keep on getting booked by principals ### 49. I’m on board with using ZeroBounce; it keeps things clean and simple. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Computer & Network Security **Reviewed Date:** November 14, 2025 **What do you like best about ZeroBounce?** I like that ZeroBounce is highly accurate and removes invalid emails effortlessly.Its speed and reliability are what I like best—quick checks with trustworthy results.I appreciate how easy it is to use and how consistently it improves email deliverability. The detailed validation insights are my favorite feature—they make list cleanup simple. **What do you dislike about ZeroBounce?** Occasionally the processing time takes longer than expected. **What problems is ZeroBounce solving and how is that benefiting you?** ZeroBounce helps remove invalid and risky emails, which improves my deliverability and reduces bounce rates. ZeroBounce catches spam traps and fake emails, which protects my sender reputation..It solves the problem of dirty email lists by validating addresses accurately, helping me maintain a clean database. **Official Response from Corina Leslie:** > Thank you for your review! We’re glad ZeroBounce has been accurate, easy to use, and helpful in improving your deliverability. We appreciate your note about processing times and are always working to make validations faster. ### 50. Trusted Tool for Reducing Bounces and Improving Campaigns **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Investment Banking **Reviewed Date:** January 25, 2026 **What do you like best about ZeroBounce?** “I like how fast and reliable ZeroBounce is, especially for cleaning large email lists with minimal effort.” **What do you dislike about ZeroBounce?** “Some email statuses require explanation, which may be confusing for new users.” **What problems is ZeroBounce solving and how is that benefiting you?** “ZeroBounce solves the problem of invalid and risky email addresses in my lists. By removing bounces, spam traps, and inactive emails, it improves deliverability, protects sender reputation, and increases the overall success rate of my email campaigns.” ## ZeroBounce Discussions - [What is ZeroBounce used for?](https://www.g2.com/discussions/what-is-zerobounce-used-for) - 1 comment, 1 upvote - [can we connect with CRm.](https://www.g2.com/discussions/can-we-connect-with-crm) - 4 comments, 1 upvote - [View ZeroBounce pricing details and edition comparison](https://www.g2.com/products/zerobounce/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-07-21+00%3A15%3A29+-0500&secure%5Bsession_id%5D=53a92eeb-196f-467f-921c-7ef2c6a09551&secure%5Btoken%5D=67124017caca8563281fd2099c56757f49aa5118ada67831e46718b352d9b97b&format=llm_user) ## ZeroBounce Integrations - [ActiveCampaign](https://www.g2.com/products/activecampaign/reviews) - [Adobe Journey Optimizer](https://www.g2.com/products/adobe-journey-optimizer/reviews) - [Amazon S3 Glacier](https://www.g2.com/products/amazon-s3-glacier/reviews) - 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Lead Enrichment - Lead Quality - Lead Analysis - Browser Extension **Generative AI** - AI Text Generation - AI Text-to-Speech **Compliance** - Policy Configuration - Alerts - Inbound Emails - Outbound Emails **Tracking** - Processing Time - Placement - Open Rate - Time to Open - Alerts **Agentic AI - Lead Intelligence** - Cross-system Integration **Agentic AI - Email Verification** - Decision Making **Protection** - Threat Identifications - Threat Interception - Threat Removal - Integrations **Reporting** - Campaign Performance - Domain Reputation - Brand Reputation - Blacklist and Whitelist **Agentic AI - Email Deliverability** - Autonomous Task Execution - Cross-system Integration - Adaptive Learning - Proactive Assistance - Decision Making ## Top ZeroBounce Alternatives - [Reoon Email Verifier](https://www.g2.com/products/reoon-email-verifier/reviews) - 4.8/5.0 (1,011 reviews) - [Clearout.io](https://www.g2.com/products/clearout-io/reviews) - 4.6/5.0 (550 reviews) - [Bouncer](https://www.g2.com/products/bouncer/reviews) - 4.8/5.0 (337 reviews)