Best Twilio Email Testing Alternatives in 2026
Updated
20 apps from email testing software ranked against Twilio Email Testing on the same published basis.
- 1Twilio Email Testing vs Mailpit
- 2Twilio Email Testing vs Twilio Segment
- 3Twilio Email Testing vs MailHog
- 4Twilio Email Testing vs MailSlurp
- 5Twilio Email Testing vs Emailens
- 6Twilio Email Testing vs GlockApps
- 7Twilio Email Testing vs Mailinator
- 8Twilio Email Testing vs Mailtrap Email Sandbox
- 9Twilio Email Testing vs SMTP Labs
- 10Twilio Email Testing vs Unspam.email
- 11Twilio Email Testing vs Ethereal Email
- 12Twilio Email Testing vs MailDev
- 13Twilio Email Testing vs Mailgun
- 14Twilio Email Testing vs MailCatcher
- 16Twilio Email Testing vs Litmus
- 17Twilio Email Testing vs Inbox Monster
- 18Twilio Email Testing vs Mailosaur
- 19Twilio Email Testing vs SendForensics
- 20Twilio Email Testing vs EmailQA
- 21Twilio Email Testing vs smtp4dev
Twilio Email Testing alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mailpit | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | Twilio Segment | 7.2 | Free plan | $120/mo | Web, iOS, Android |
| 3 | MailHog | 7.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 4 | MailSlurp | 7.0 | Free plan | $19.99/mo | API, Web |
| 5 | Emailens | 6.9 | Free plan | $9/mo | API, Browser, Web |
| 6 | GlockApps | 6.9 | Free plan | $59/mo | API, Web |
| 7 | Mailinator | 6.9 | Free plan | $79/mo | API, Web |
| 8 | Mailtrap Email Sandbox | 6.9 | Free plan | $17/mo | API, Web |
| 9 | SMTP Labs | 6.9 | Free plan | $7/mo | API, Web |
| 10 | Unspam.email | 6.8 | Free plan | $5/mo | API, Web |
| 11 | Ethereal Email | 6.7 | Free plan | Free | API, Web |
| 12 | MailDev | 6.7 | Free plan | Free | API, self-hosted, Web |
| 13 | Mailgun | 6.5 | Free plan | Free | Web |
| 14 | MailCatcher | 6.3 | No | — | API, Linux, Mac, self-hosted, Web |
| 16 | Litmus | 6.2 | No | $99/mo | API, Browser, Web |
| 17 | Inbox Monster | 6.1 | No | $312.50/mo | Web |
| 18 | Mailosaur | 6.1 | No | $20/mo | API, Web |
| 19 | SendForensics | 6.1 | No | $49/mo | Web |
| 20 | EmailQA | 5.9 | No | — | Web |
| 21 | smtp4dev | 5.9 | No | — | Web, Windows, Mac, Linux |
Make your app an alternative to Twilio Email Testing
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Twilio Email Testing alternatives
What is the best alternative to Twilio Email Testing?
Mailpit, number 1 in email testing software with a score of 7.4 out of 10. The others here: Twilio Segment, MailHog, MailSlurp and 16 more.
What is the best free alternative to Twilio Email Testing?
Mailpit is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.