Best turboSMTP Alternatives in 2026
Updated
20 apps from transactional email software ranked against turboSMTP on the same published basis.
- 2turboSMTP vs Mailchimp
- 3turboSMTP vs Twilio Segment
- 4turboSMTP vs Maileroo
- 5turboSMTP vs MailerSend
- 6turboSMTP vs Nuntly
- 7turboSMTP vs Postmark
- 8turboSMTP vs Resend Broadcasts
- 9turboSMTP vs SMTP2GO
- 10turboSMTP vs EmailSuccess
- 11turboSMTP vs Hyvor Relay
- 12turboSMTP vs Posthawk
- 13turboSMTP vs Reloop
- 14turboSMTP vs Twilio SendGrid
- 15turboSMTP vs Mailgun
- 16turboSMTP vs Netcore Email API
- 17turboSMTP vs Pombo
- 18turboSMTP vs ReachMail
- 19turboSMTP vs Plunk
- 20turboSMTP vs Mailmark
- 21turboSMTP vs Retarus Transactional Email
turboSMTP alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Mailchimp | 6.5 | Free plan | Free | Web, iOS, Android |
| 3 | Twilio Segment | 6.5 | Free plan | $120/mo | Web, iOS, Android |
| 4 | Maileroo | 6.4 | Free plan | $10/mo | API, Web |
| 5 | MailerSend | 6.4 | Free plan | $5.60/mo | API, iOS, Web |
| 6 | Nuntly | 6.4 | Free plan | €10/mo | API, Web |
| 7 | Postmark | 6.4 | Free plan | $5/mo | API, Web |
| 8 | Resend Broadcasts | 6.4 | Free plan | $20/mo | API, Web |
| 9 | SMTP2GO | 6.4 | Free plan | $8.33/mo | API, Web |
| 10 | EmailSuccess | 6.3 | Free plan | Free | Web |
| 11 | Hyvor Relay | 6.3 | Free plan | — | API, self-hosted, Web |
| 12 | Posthawk | 6.3 | Free plan | $20/mo | self-hosted |
| 13 | Reloop | 6.3 | Free plan | $10/mo | self-hosted |
| 14 | Twilio SendGrid | 6.3 | Free plan | $19.95/mo | API |
| 15 | Mailgun | 6.2 | Free plan | Free | Web |
| 16 | Netcore Email API | 6.2 | Free plan | Free | API, Web |
| 17 | Pombo | 6.2 | Free plan | $29/mo | Web |
| 18 | ReachMail | 6.2 | Free plan | $8/mo | Web |
| 19 | Plunk | 6.1 | Free plan | Free | Web |
| 20 | Mailmark | 5.4 | No | $10/mo | API, self-hosted, Web |
| 21 | Retarus Transactional Email | 5.4 | No | — | API, Web |
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Questions about turboSMTP alternatives
What is the best alternative to turboSMTP?
Mailchimp, number 2 in transactional email software with a score of 6.5 out of 10. The others here: Twilio Segment, Maileroo, MailerSend and 16 more.
What is the best free alternative to turboSMTP?
Mailchimp is the best-ranked alternative with a free plan. 18 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.