--- title: m19 Reviews meta_title: 'm19 Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 10 reviews by the users' company size, role or industry to find out how m19 works for a business like yours. aggregate_rating: rating_value: 4.8 review_count: 10 scale: '5' date_modified: '2026-07-08' parent_category: name: E-Commerce url: https://www.g2.com/categories/e-commerce --- # m19 Reviews **Vendor:** m19 **Category:** [Online Marketplace Optimization Tools](https://www.g2.com/categories/online-marketplace-optimization-tools) **Average Rating:** 4.8/5.0 **Total Reviews:** 10 ## About m19 m19 is the Amazon advertising platform for sellers and agencies who want to grow profitably without spending hours managing campaigns. Most Amazon PPC tools automate the mechanics. m19 automates the thinking. Instead of writing rules, setting bids manually, or curating keyword lists, you define a business goal — ACoS target, TACoS target, or monthly budget — and m19's AI engine handles everything else. Every 24 hours, the algorithm analyzes 90 days of account data, adjusts thousands of keyword bids, expands your keyword landscape, and rebalances your campaign structure. No rules to write. No expertise required. What makes m19 different m19 is not rule-based. The algorithm learns from your account data and sets the right bid for every keyword-ASIN pair at every placement — daily. It adapts continuously to real performance data without manual intervention. Full-stack coverage is included: Sponsored Products, Sponsored Brands, Sponsored Display, and DSP — managed from a single dashboard. For sellers with strong organic rankings, m19 automatically reduces paid bids where your product already ranks organically, protecting margins and freeing budget for weaker placements. For agencies and multi-country operators, m19 supports 23 Amazon marketplaces worldwide with centralized account management and per-marketplace strategy configuration. Proven results Across 5,000+ accounts on all active Amazon marketplaces: 1. +25% to +50% average profitability improvement 2. −80% time spent on campaign management 3. 5x to 8x keyword landscape expansion within 72 hours Simple to start. No commitment. Onboarding takes approximately one hour. 30-day free trial, no credit card required. No annual contract. Cancel anytime in one click. ## m19 Reviews ### 1. Effortless Amazon PPC Management with m19 **Rating:** 4.5/5.0 stars **Reviewed by:** Miguel C. | Amazon Growth Manager, Small-Business (50 or fewer emp.) **Reviewed Date:** June 12, 2026 **What do you like best about m19?** I use m19 to manage our Amazon PPC advertising, and it allows us to spend less time on it, knowing that the algorithm will do what it needs to do. The AI software tool runs Amazon advertising with their own algorithm, and it's one of the best we've tried, so we can trust that it's doing a good job. We've been able to grow multiple supplement brands and keep costs to our desired level. I really like the ease of use and the fact that we can create campaigns very fast. Additionally, I can see the performance of our account very clearly. Also, the initial setup was very easy for us. **What do you dislike about m19?** I think in terms of efficiency, since it's an AI tool, it needs a lot of data to gather to make decisions. So sometimes you need to spend a little bit more and you can see more wasted spend. But if budget is not a real constraint and you have good converting products, it can help you scale very quickly. **What problems is m19 solving and how is that benefiting you?** Time spent on amazon advertising, allowing us to grow and keep our account profitable with little effort on our side. ### 2. Simple to Use, AI Optimization That Saves Time and Boosts ROI **Rating:** 5.0/5.0 stars **Reviewed by:** Kawosha I. | Ecommerce Coordinator, Small-Business (50 or fewer emp.) **Reviewed Date:** June 11, 2026 **What do you like best about m19?** What I like most is how simple it is to use and its AI optimization performance, which saves me a lot of time and has immensely improved my business ROI. **What do you dislike about m19?** At the moment, I don’t see anything wrong with M19. **What problems is m19 solving and how is that benefiting you?** It has improved my ads performance by 80%. My ACOS has drastically gone down from 28% to an average of 4%. It has also helped me integrate all my accounts into a single dashboard, so I can review and monitor my performance data in one place. Aside from the live AI chatbox on m19, which provides well-detailed answers to any inquiry, they also have an experienced team on the ground to handle any questions or support needed. Lastly, the m19 user interface is very easy to navigate, with so much data to help drive decision-making,data that usually isn’t all in one place when I review it directly on Amazon. ### 3. Clear and Efficient **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User | Small-Business (50 or fewer emp.) **Reviewed Date:** June 13, 2026 **What do you like best about m19?** I appreciate the clarity of m19 and the various settings options I have. Another advantage is that I can analyze certain product groups and ASINs at a glance. Additionally, I can easily set the budget and the software keeps everything in view. Even if I'm not constantly monitoring it, I can be sure that everything is running correctly. **What do you dislike about m19?** Yes, I wish for a function that allows me to link the advertising and the price through m19. I want to be able to enter how long my stock will last or should last. It doesn't make any sense to run a lot of advertising if the product is almost out of stock. **What problems is m19 solving and how is that benefiting you?** I no longer have to manually create campaigns and ad groups in the backend. The clarity of m19 and the various configuration options help to analyze product groups at a glance. The software monitors the budget after I have made the settings, without me having to constantly check. ### 4. 5 years client : Simple, Clear Dashboard with Excellent Performance **Rating:** 5.0/5.0 stars **Reviewed by:** Michael W. | Marketing manager assistant, Small-Business (50 or fewer emp.) **Reviewed Date:** June 11, 2026 **What do you like best about m19?** Very simple to use and the dashboard are very clear. Finally performance is very good **What do you dislike about m19?** You may have a bit of experience for some sort of strategy. But it is managable **What problems is m19 solving and how is that benefiting you?** Managing our ads on amazon. So we don't have thousand of bids to handle manually every day/week ### 5. User-Friendly AI That Boosts CPC & ROAS and Scales Campaign Performance **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Marketing and Advertising | Mid-Market (51-1000 emp.) **Reviewed Date:** June 12, 2026 **What do you like best about m19?** User friendly interface Great CPC & ROAS optimsiation and performance via use of AI Ability to scale via this tool, reduce time spent on management of campagins **What do you dislike about m19?** Less options in terms of optimsiation rules & control **What problems is m19 solving and how is that benefiting you?** CPC reduction ROAS optmisation Time spent on management of campaigns ### 6. As simple as effective - **Rating:** 5.0/5.0 stars **Reviewed by:** Michael W. | Directeur général, Small-Business (50 or fewer emp.) **Reviewed Date:** January 02, 2025 **What do you like best about m19?** It's simple It's effective in campaign management The suite of dashboard tools is quite cool too In short, unbeatable value for money **What do you dislike about m19?** Very honestly, not much, no major bugs, customer service answers questions. The product evolves very often. Some subtleties for advanced users, but for the moment, after 2 years of use, I have no negative points. **What problems is m19 solving and how is that benefiting you?** Management of Amazon PPC ad campaigns tracking dashboard data export tracking of products, ASIN, and keywords ### 7. Amazing Tool, Especially for Agencies **Rating:** 5.0/5.0 stars **Reviewed by:** Nik B. | Director of Amazon, Small-Business (50 or fewer emp.) **Reviewed Date:** May 23, 2024 **What do you like best about m19?** The algorithm is already fantastic but our ability to pilot it to best suit each unique brand we work with is really want makes the difference. **What do you dislike about m19?** Although the team is extremely active and constantly making improvements, there are a few features still missing. These are advanced features that we already had SOPs for before using M19, but having them implemented in the tool directly would be much more convenient than having to go through Campaign Manager to get the data. **What problems is m19 solving and how is that benefiting you?** It handles all the minute daily adjustments we needed to make on the accounts, which was the biggest headache that Amazon advertising presents. The logic behind the campaign structure is very sound and so all that's left is for us to implement the strategy and let M19 do all the work. Since it reduced the workloud of our ppc specialists by at least 80%, we've been able to reduce our fees and double our client load! ### 8. Amazing Amazon PPC Tool **Rating:** 5.0/5.0 stars **Reviewed by:** Mo R. | CEO, Mid-Market (51-1000 emp.) **Reviewed Date:** May 22, 2024 **What do you like best about m19?** We have been using M19 for our agency cleints for a while now and it has worked like a charm. We have used other similar tools but m19 has been the best when it comes to running ad tests at low cost and it works really well when we are trying to scale a successful campaign. Their team is good as well. They always conncet with us before publishing new features. **What do you dislike about m19?** We love everying about the tool. Can't think of anything bad. **What problems is m19 solving and how is that benefiting you?** Amazon ads ### 9. Time saver and easy to use **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Retail | Mid-Market (51-1000 emp.) **Reviewed Date:** July 27, 2022 **What do you like best about m19?** The possibility to manage multiple campaigns at the same time in an easy and fast way. **What do you dislike about m19?** Sometimes there are some bugs in the tool and it can make you loose time, instead of saving it (take to long to open a strategy, or the changes need to be done twice, and so on) **What problems is m19 solving and how is that benefiting you?** It is automatizing the campaign creating process and also helps with campaign optimization since it is done automatically. ### 10. The best algorithm in the market + super strong team **Rating:** 5.0/5.0 stars **Reviewed by:** Etienne A. | Small-Business (50 or fewer emp.) **Reviewed Date:** June 08, 2020 **What do you like best about m19?** Honestly the best algorithm in the market, and I've tried many for the past 2 years (Teikametrics, Quartile, Sellics, Bidx, etc.) The team is great, they listen to their users' suggestions carefully and have a very strong roadmap to continue being at the cutting edge on Amazon advertising optimisation. **What do you dislike about m19?** the mobile app could be more usefull, for now it's still very descriptive **Recommendations to others considering m19:** Have a demo call and ask all your questions there **What problems is m19 solving and how is that benefiting you?** optimize PPC advertising on Amazon: harvest keywords and asins, change bids automatically every day on each adgroup to reach a targetted acos, or volumes, or margin, or budget ## m19 Discussions - [What is m19 used for?](https://www.g2.com/discussions/what-is-m19-used-for) - [View m19 pricing details and edition comparison](https://www.g2.com/products/m19/reviews?section=pricing&secure%5Bexpires_at%5D=2026-07-10+02%3A43%3A56+-0500&secure%5Bsession_id%5D=899d286f-2c0b-4f14-a0ca-b8ac5416613c&secure%5Btoken%5D=66095e1954052c62fa47930ed46b8f385c1dc10b8239dd00947dcd34ccbeac4e&format=llm_user) ## m19 Integrations - [Claude](https://www.g2.com/products/claude-2025-12-11/reviews) ## m19 Features **Integration** - Import - Export - APIs **Store Management** - Localization - Marketplaces **Agentic AI - Online Marketplace Optimization Tools** - Cross-system Integration ## Top m19 Alternatives - [Webgility](https://www.g2.com/products/webgility/reviews) - 4.6/5.0 (372 reviews) - [Feedonomics](https://www.g2.com/products/feedonomics/reviews) - 4.4/5.0 (367 reviews) - [A2X](https://www.g2.com/products/a2x/reviews) - 4.9/5.0 (306 reviews)