Best Email Testing Software in 2026
25 email testing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
25ranked
18free plans on this page
$9/molowest paid tier
2 Oct 2026last checked
#2 Litmus Runner-up · 8.3 $99/mo
#3 Emailens Also great · 8.3 Free plan · $9/mo
- Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 59 /mo
RecognisedDocumentedPlatformsFree planFree trial$59/mofirst paid tier About GlockAppsVisit site - Free trial apiextensionWeb
- Free plan
- No
- Email clients
- 100 clients
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$99/mofirst paid tier About LitmusVisit site - Free plan apiextensionWeb
- Free plan
- Yes
- Paid from
- 9 /mo
- Email clients
- 21 clients
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$9/mofirst paid tier About EmailensVisit site - Free plan apiWeb
- Free plan
- Yes
- Paid from
- 19.99 /mo
- Email clients
- 2 clients
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$19.99/mofirst paid tier About MailSlurpVisit site - Free trial apiWeb
- Free plan
- No
- Paid from
- 20 /mo
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$20/mofirst paid tier About MailosaurVisit site - Web
- Free plan
- No
- Paid from
- 39 /mo
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$49/mofirst paid tier About SendForensicsVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 20 /mo
- Email clients
- 11 clients
- Device coverage
- both
- Spam checks
- No
- Accessibility checks
- No
RecognisedDocumentedPlatformsFree planFree trial - Web
- Free plan
- No
- Email clients
- 120 clients
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial$312.50/mofirst paid tier About Inbox MonsterVisit site - Free plan Web
- Free plan
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Email clients
- 21 clients
- Device coverage
- both
- Spam checks
- Yes
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 29 /mo
- Device coverage
- both
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 14 /mo
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 7 /mo
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 79 /mo
RecognisedDocumentedPlatformsFree planFree trial - Free plan WebWindowsmacOSLinux
- Free plan
- Yes
- Device coverage
- both
RecognisedDocumentedPlatformsFree planFree trial - WebWindowsmacOSLinux
- Device coverage
- both
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan WebmacOSLinux
- Free plan
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Device coverage
- both
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Accessibility checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
- Paid from
- 9 /mo
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan Web
- Free plan
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Web
- Free plan
- No
- Spam checks
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebmacOSLinuxRecognisedDocumentedPlatformsFree planFree trial
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which email testing software is ranked first on Specifiction?
GlockApps is ranked #1 of 25 with a score of 8.5. Litmus is second and Emailens third.
How many of these have a free plan?
18 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Emailens has the lowest first paid tier we found: $9/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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