Comparison of Email Testing Tools

Email testing is a service that enables email developers to preview HTML template on supported email clients and mobile devices.

Email testing Services

Name Founded Email clients support One month basic plan Limits Payment model Payment type Free test
Testi@ 2016 92 20$ Unlimited Email Previews Pay as you go Stripe/Paypal/Credit card 2 email clients, send extra 6 previews, selective 4 days trial
EmailonAcid 2009 96 86$ Unlimited Email Previews Subscription Credit card Yes
Litmus 2005 90 99$ 1,000 to 2,000 Email Previews + Custom Subscription Credit card 7 days - 202 single preview

ESP with E-mail testing

Name Email clients support Payment type Limits Prices
Inbox Preview Mailchimp 46 monthly (25/100 project previews monthly) $10-$100
Getresponse 15 monthly slow ( legacy devices )

Features

Name Litmus Emailonacid Testi@
Custom desktop client container size No No Yes
HTML editor Yes Yes Yes
Spam testing Yes / except basic subscription Yes / except basic subscription Yes / only web clients, API for paid users
Email Analytics Yes / except basic subscription Yes / except basic subscription No
ESP integration Yes / except basic subscription Yes / except basic subscription Yes
Chrome extension Yes / except basic subscription Yes Yes
Send email to own device No No Yes, up to 15 emails, available in free plan

Email Clients support

Name Litmus Emailonacid Testi@
Desktop Clients
Mozilla Thunderbird Yes Yes Yes
Text mode Yes Yes Yes, Thunderbird
Windows 10 mail Yes No Yes
Outlook 2019 Yes Yes Yes
Outlook 2019 (120 dpi) Yes Yes Yes
Outlook 2016 Yes Yes Yes
Outlook 2016 (macOS) Yes Yes Yes
Outlook 2016 (120 dpi) Yes Yes Yes
Outlook 2013 Yes Yes Yes
Outlook 2013 (120dpi) Yes Yes Yes
Outlook 2011 (OS X) Yes Yes Yes
Outlook 2010 Yes Yes Yes
Outlook 2007 Yes Yes Yes
macOS Big Sur No No Yes
macOS Big Sur dark No No Yes
macOS Catalina Yes Yes Yes
macOS Catalina dark Yes Yes No
macOS Mojave (Dark Mode) Yes No Yes
macOS Sierra No No Yes
macOS High Sierra No No Yes
Lotus Notes 10 Yes No No
Lotus Notes 8.5 Yes Yes No
Lotus Notes 9 Yes No No
Mobile devices
iPhone 12 Pro Max iOS 14 No No Yes
iPhone 12 Pro iOS 14 No No Yes
iPhone 12 iOS 14 (dark) Yes No Yes
iPhone 12 iOS 14 Yes No Yes
iPhone 12 Mini No No Yes
iPhone 11 Pro Max iOS 13 Yes Yes Yes
iPhone 11 Pro iOS 13 Yes Yes Yes
iPhone 11 iOS 13 Yes Yes Yes
iPhone 11 Pro Dark Yes Yes No
iPad Air 3 - iOS 13 Yes No Yes
iPad Pro (12.9-inch) - iOS 13 Yes Yes No
iPad Pro (11-inch) - iOS 13 Yes Yes No
iPad Pro (10.5-inch) iOS 13.1 No Yes No
iPad Pro (9.7-inch) - iOS 13 Yes No No
iPad Pro (12.9in) - iOS 12 No No Yes
iPad Pro (10.5in) - iOS 12 No No Yes
iPhone X Yes Yes Yes
iPhone XR Yes Yes Yes
iPhone XS Yes Yes Yes
iPhone 7 plus Yes Yes Yes
iPhone 7 Yes Yes Yes
iPhone 8 Yes Yes Yes
iPhone 8 plus Yes Yes Yes
iPhone 11 Yes Yes Yes
iPhone SE Yes Yes Yes
Gmail iPhone 11 - iOS 13 No No Yes
Gmail iPhone XS - iOS 13 No No Yes
Gmail iPhone 12 - iOS 14 (dark) No No Yes
Gmail App iOS 13.4.1 Yes No No
Gmail App Dark iOS 13.4.1 Yes No No
Outlook iPhone 11 iOS 13 No No Yes
Outlook iPhone 8 iOS 13 No No Yes
Outlook iPhone SE (dark) iOS No No Yes
Microsoft Outlook iOS 11.3.1 Yes No No
Android 10 - Gmail ( dark ) Yes No Yes
Android 10 - Gmail Yes No Yes
Android 9 - Gmail Yes No Yes
Android 6 - Yahoo No No Yes
Android 6/7 - Outlook Yes Yes Yes
Android 7 - Samsung Mail Yes Yes No
Android 7 - Gmail (@gmail.com) Yes Yes Yes
Android 8 - Gmail (@gmail.com) Yes Yes Yes
Android 6 - Gmail (IMAP) Yes No Yes
Android 6 - Gmail (@gmail) Yes Yes Yes
Android 4.4 - Gmail No No Yes
Android 4.4 - Gmail (IMAP) No No Yes
Web clients
Gmail Chrome Yes Yes Yes
Gmail Firefox Yes Yes Yes
Gmail IE Yes Yes Yes
Gmail Safari No No Yes
G Suite IE Yes Yes No
Yahoo - Chrome Yes Yes Yes
Yahoo - Firefox Yes Yes Yes
Yahoo - Safari No No Yes
Yahoo - IE 11 Yes Yes Yes
Walla.co.il - Chrome No No Yes
Yahoo - Safari No No Yes
Outlook.com - Chrome (dark) Yes No Yes
Outlook.com - Chrome Yes Yes Yes
Outlook.com - Firefox Yes Yes Yes
Outlook.com - IE 11 Yes Yes Yes
Outlook.com - Safari No No Yes
Office 365 - Chrome Yes Yes Yes
Office 365 - Firefox Yes Yes No
Office 365 - IE 11 Yes Yes No
Comcast - Chrome Yes Yes No
Comcast - Firefox Yes Yes No
Comcast - IE 11 Yes Yes No
AOL Mail - Chrome Yes Yes Yes
AOL Mail - Firefox Yes Yes Yes
AOL Mail - IE 11 Yes Yes No
BOL mail No Yes No
Yandex - Chrome No No Yes
Yandex - Firefox No No Yes
T-online.de - Chrome Yes No Yes
T-online.de - Firefox Yes No Yes
T-online.de - IE 11 Yes Yes No
GMX - Chrome Yes Yes Yes
Libero - Chrome Yes Yes Yes
Libero - Firefox Yes Yes No
Libero - IE 11 Yes Yes No
Web.de - Chrome Yes Yes No
Web.de - Firefox Yes Yes Yes
Web.de - IE 11 Yes Yes No
Freenet.de - Chrome Yes Yes Yes
Freenet.de - Firefox Yes Yes No
Freenet.de - IE 11 Yes Yes No
Free.fr - Chrome (zimbra) No Yes No
Zimbra No No Yes
Seznam.cz No No Yes
Orange.fr - Chrome No No Yes
Mail.Ru - Chrome Yes Yes Yes
Mail.Ru - Firefox Yes Yes No
Mail.Ru - IE 11 Yes Yes No
TELSTRA/BIGPOND - Chrome No Yes No
Name Litmus Emailonacid Testi@