Best MailCatcher Alternatives in 2026
Updated
20 tools from email testing software ranked against MailCatcher on the same published basis.
- 1MailCatcher vs Twilio Segment
- 2MailCatcher vs Mailpit
- 3MailCatcher vs Mailinator
- 4MailCatcher vs GlockApps
- 5MailCatcher vs MailSlurp
- 6MailCatcher vs MailHog
- 7MailCatcher vs Mailtrap Email Sandbox
- 8MailCatcher vs SMTP Labs
- 9MailCatcher vs Emailens
- 10MailCatcher vs Litmus
- 11MailCatcher vs Unspam.email
- 12MailCatcher vs Mailosaur
- 13MailCatcher vs Ethereal Email
- 15MailCatcher vs MailDev
- 16MailCatcher vs Mailgun
- 17MailCatcher vs Twilio Email Testing
- 18MailCatcher vs Inbox Monster
- 19MailCatcher vs SendForensics
- 20MailCatcher vs EmailQA
- 21MailCatcher vs smtp4dev
MailCatcher alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Twilio Segment | 7.8 | Free plan | $120/mo | Web, iOS, Android |
| 2 | Mailpit | 7.5 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | Mailinator | 7.4 | Free plan | $79/mo | API, Web |
| 4 | GlockApps | 7.3 | Free plan | $59/mo | API, Web |
| 5 | MailSlurp | 7.1 | Free plan | $19.99/mo | API, Web |
| 6 | MailHog | 7.0 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 7 | Mailtrap Email Sandbox | 7.0 | Free plan | $17/mo | API, Web |
| 8 | SMTP Labs | 7.0 | Free plan | $7/mo | API, Web |
| 9 | Emailens | 6.9 | Free plan | $9/mo | API, Browser, Web |
| 10 | Litmus | 6.9 | No | $99/mo | API, Browser, Web |
| 11 | Unspam.email | 6.9 | Free plan | $5/mo | API, Web |
| 12 | Mailosaur | 6.8 | No | $20/mo | API, Web |
| 13 | Ethereal Email | 6.6 | Free plan | Free | API, Web |
| 15 | MailDev | 6.6 | Free plan | Free | API, self-hosted, Web |
| 16 | Mailgun | 6.6 | Free plan | Free | Web |
| 17 | Twilio Email Testing | 6.6 | No | $15/mo | Web |
| 18 | Inbox Monster | 6.5 | No | $312.50/mo | Web |
| 19 | SendForensics | 6.5 | No | $49/mo | Web |
| 20 | EmailQA | 6.1 | No | — | Web |
| 21 | smtp4dev | 6.1 | No | — | Web, Windows, Mac, Linux |
Make your tool an alternative to MailCatcher
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about MailCatcher alternatives
What is the best alternative to MailCatcher?
Twilio Segment, number 1 in email testing software with a score of 7.8 out of 10. The others here: Mailpit, Mailinator, GlockApps and 16 more.
What is the best free alternative to MailCatcher?
Twilio Segment 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, 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.