Great product
Great product. Excellent support. Fantastic blog content. Couldn't function at work without it.
By Ben
Saturday, November 7, 2026 · Customer reviews of US businesses

The Fair Hearing score
Average
65 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Use Email on Acid to test your emails across the most popular clients, apps and devices, then go further to measure performance, find and fix errors - even if you don't know HTML. Free Trial.
Email on Acid (emailonacid.com) has 65 customer reviews on The Fair Hearing, with an average rating of 3.8 out of 5.
65 approved reviews, newest moderated first
Great product. Excellent support. Fantastic blog content. Couldn't function at work without it.
By Ben
A very useful tool to detect and resolve design issues on a number of different email clients.
By Wren
Email on Acid is a great tool, I'm using it om daily basis, but it's really really slow, sometimes scteenshots will not going to show, sometimes I will get half of the screenshot (the bottom half of the email...), it's just buggy. And when I say sometimes, I mean often. I hope you are working on making ot better and better, as the idea of the tool is great!
By Maya
change the prices / plan We took the solution for 1 year spam testing, and after few weeks it was no more included in our plan. It's a pity.
By Alen
Response from Email on Acid· Mar 26, 2021
We apologize that our price increase had a negative impact, but truly feel that the value we have added is in line with the pricing structure. We added several enhancements, the most notable being our new product Campaign Precheck. We improved our response time to adding new clients and keeping up to date with versioning. We made improvements to our infrastructure to deliver faster screenshot times and increase reliability. If you have any feedback, we always want to hear it and you can reach out to [email protected].
The product is becoming too expensive and the value has been reduced over the last 2 years. Very dissapointed.
By Werner Van G.
Response from Email on Acid· Mar 26, 2021
We're sorry that you feel the product has degraded over the past few years. Recently, we made improvements to our infrastructure to deliver faster screenshot times and increase reliability. We're constantly striving to improve the product, so if you have any feedback, we always want to hear it and you can reach out to [email protected].
Quick response from EOA team, appreciated!!!
By Karthick
Great way to test email layouts in lots of different email clients. We use it very often and it's become an indispensable tool.
By Dave
Useful especially within this pandemic.
By Ben