Best Transactional Email Software in 2026
Updated
41ranked
0free plans on this page
$5/molowest paid tier
10 Oct 2026last checked
0 of 4 with known pricing have a free tier;0 apps show full bars: free, open, on most devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 26 | MailmarkWeb · Self-hosted · API | One bar | 1 of 6 | $10/mo | 5.4 | ||
| 27 | Retarus Transactional EmailWeb · API | One bar | 1 of 6 | 5.4 | |||
| 28 | EmailitWeb · API | One bar | 1 of 6 | $20/mo | 5.3 | ||
| 29 | JangoSMTPWeb · API | One bar | 1 of 6 | 5.3 | |||
| 30 | ClrStreamWeb | No signal | 1 of 6 | 5.2 | |||
| 31 | JangoMailWeb | No signal | 1 of 6 | 5.2 | |||
| 32 | Sarv Transactional EmailWeb | No signal | 1 of 6 | 5.1 | |||
| 33 | Mailchimp Transactional (formerly Mandrill)Web | One bar | No | 1 of 6 | $10/mo | 5.0 | |
| 34 | Sarv Transactional Email | No signal | 5.0 | ||||
| 35 | SocketLabsWeb · Self-hosted · API | One bar | No | 1 of 6 | $39.95/mo | 5.0 | |
| 36 | Amazon SESWeb · API | One bar | 1 of 6 | 4.9 | |||
| 37 | Infobip Email APIWeb | One bar | 1 of 6 | 4.9 | |||
| 38 | SendLayerWeb | One bar | No | 1 of 6 | $5/mo | 4.9 | |
| 39 | SendwithusWeb · API | One bar | 1 of 6 | 4.9 | |||
| 40 | SidemailWeb | One bar | No | 1 of 6 | 4.8 | ||
| 41 | Twilio Email APIWeb | No signal | 1 of 6 | 4.8 |
Compare all 16 in a table
| # | App | Score | Free plan | Paid from | Delivery methods | Template options |
|---|---|---|---|---|---|---|
| 26 | Mailmark | 5.4 | Yes | 10 /mo | api | code |
| 27 | Retarus Transactional Email | 5.4 | both | |||
| 28 | Emailit | 5.3 | No | |||
| 29 | JangoSMTP | 5.3 | both | |||
| 30 | ClrStream | 5.2 | both | |||
| 31 | JangoMail | 5.2 | ||||
| 32 | Sarv Transactional Email | 5.1 | ||||
| 33 | Mailchimp Transactional (formerly Mandrill) | 5.0 | No | both | both | |
| 34 | Sarv Transactional Email | 5.0 | ||||
| 35 | SocketLabs | 5.0 | No | 39.95 /mo | ||
| 36 | Amazon SES | 4.9 | No | |||
| 37 | Infobip Email API | 4.9 | No | both | both | |
| 38 | SendLayer | 4.9 | No | 5 /mo | both | code |
| 39 | Sendwithus | 4.9 | No | |||
| 40 | Sidemail | 4.8 | No | smtp | ||
| 41 | Twilio Email API | 4.8 | No | api | both |
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