---
title: Email on Acid Reviews
meta_title: 'Email on Acid Reviews 2026: Details, Pricing, & Features | G2'
meta_description: Filter 43 reviews by the users' company size, role or industry to
  find out how Email on Acid works for a business like yours.
aggregate_rating:
  rating_value: 4.5
  review_count: 43
  scale: '5'
date_modified: '2026-08-09'
parent_category:
  name: Marketing
  url: https://www.g2.com/categories/marketing
---


# Email on Acid Reviews
**Vendor:** Sinch  
**Category:** [Email Testing Software](https://www.g2.com/categories/email-testing)  
**Average Rating:** 4.5/5.0  
**Total Reviews:** 43
## About Email on Acid
As the industry leader in email preparation, Email on Acid offers the world's most comprehensive and flexible automated email pre-deployment platform. Developers, marketers, and enterprise organizations deliver email perfection, achieve efficiencies, improve marketing ROI, and protect brand reputation. Co-founded in 2009 by industry thought leader John Thies, Email on Acid was born out of a desire to make email marketing better for everyone. To learn more, visit emailonacid.com.




## Email on Acid Reviews
  ### 1. Affordable but at a cost

**Rating:** 2.5/5.0 stars

**Reviewed by:** Verified User in Financial Services | Mid-Market (51-1000 emp.)

**Reviewed Date:** May 09, 2023

**What do you like best about Email on Acid?**

It is affordable based on how many seats you need. The service is straightforward. It helps my team catch issues before campaigns are launched for the public. Offers more tools than builtin services from customer engagement platform

**What do you dislike about Email on Acid?**

Unreliability in the platform. There are often issues with the QA tool, where I get an error and cannot proceed with my QA without resending the email to the platform. There are also issues with link validiation

**What problems is Email on Acid solving and how is that benefiting you?**

Email on Acid helps my team catch errors which benefits our goal of operation excellence. The spam headline tester is very helpful in the rare instance where a headline fails multiple filters

  ### 2. Great Program, but there are a good number of bugs. 

**Rating:** 3.0/5.0 stars

**Reviewed by:** Jacob R. | Small-Business (50 or fewer emp.)

**Reviewed Date:** June 27, 2018

**What do you like best about Email on Acid?**

It is great to be able to see how my email will look across all devices. 

**What do you dislike about Email on Acid?**

It is a super slow program. There are many times I have to wait hours to get results back, and even then i might not get them all. There are also some bugs that the emails do not show up in the different browsers. 

**What problems is Email on Acid solving and how is that benefiting you?**

It allows us to test the responsiveness of emails across all platforms without having to have all of the platforms. It is really nice to have it all in one place to see where things are correct and incorrect. 


## Email on Acid Discussions
  - [What is Email on Acid used for?](https://www.g2.com/discussions/what-is-email-on-acid-used-for)
  - [What does Email on Acid do?](https://www.g2.com/discussions/what-does-email-on-acid-do)
  - [How do I test an HTML email in Outlook?](https://www.g2.com/discussions/how-do-i-test-an-html-email-in-outlook)
  - [How do you check an email newsletter?](https://www.g2.com/discussions/how-do-you-check-an-email-newsletter)
  - [What is litmus email?](https://www.g2.com/discussions/what-is-litmus-email)

- [View Email on Acid pricing details and edition comparison](https://www.g2.com/products/email-on-acid/reviews?filters%5Bnps_score%5D=3&section=pricing&secure%5Bexpires_at%5D=2026-08-13+17%3A20%3A59+-0500&secure%5Bsession_id%5D=f8a02f94-05e6-4f9d-b0a6-0c5188f73104&secure%5Btoken%5D=e3edb2be1a03670ceacfb2227794b2070754f0c2c0df20f06357bed9364a6b96&format=llm_user)

## Email on Acid Features
**Diagnosis**
- IP Address 
- Domains
- Content 
- Policy Compliance

**Platform Basics**
- Editing Platform
- Spam Filter Testing
- Deliverability Testing
- Design Testing

**Tracking**
- Open Rate
- Alerts

**Platform Data**
- Performance
- Analytics

**Reporting**
- Campaign Performance
- Domain Reputation

**Agentic AI - Email Testing**
- Autonomous Task Execution
- Cross-system Integration
- Adaptive Learning
- Proactive Assistance
- Decision Making

**Agentic AI - Email Deliverability**
- Autonomous Task Execution
- Cross-system Integration
- Adaptive Learning
- Proactive Assistance
- Decision Making

## Top Email on Acid Alternatives
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