Best Letter Alternatives in 2026
Updated
20 platforms from email marketing software ranked against Letter on the same published basis.
- 1Letter vs AWeber
- 2Letter vs Mailjet
- 3Letter vs phpList
- 4Letter vs DirectIQ
- 5Letter vs JetEmail
- 6Letter vs SegmentFlow.ai
- 7Letter vs Sender
- 8Letter vs Twilio SendGrid
- 9Letter vs Audienceful
- 10Letter vs Dada Mail
- 11Letter vs Pombo
- 12Letter vs ReachMail
- 13Letter vs Zoho Campaigns
- 14Letter vs listmonk
- 15Letter vs Mailazy
- 16Letter vs Mailtrain
- 17Letter vs GetResponse
- 18Letter vs Listrak
- 19Letter vs TargetBay
- 20Letter vs Keila
Letter alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | AWeber | 7.4 | Free plan | $4.99/mo | API, Web |
| 2 | Mailjet | 7.4 | Free plan | $9/mo | API, Web |
| 3 | phpList | 7.4 | Free plan | API, Linux, self-hosted, Web | |
| 4 | DirectIQ | 7.3 | Free plan | $19/mo | API, Web |
| 5 | JetEmail | 7.3 | Free plan | $10/mo | API, Web |
| 6 | SegmentFlow.ai | 7.3 | Free plan | $19/mo | API, Web |
| 7 | Sender | 7.3 | Free plan | $6.30/mo | API, Web |
| 8 | Twilio SendGrid | 7.3 | Free plan | $19.95/mo | API |
| 9 | Audienceful | 7.2 | Free plan | $29/mo | API, Web |
| 10 | Dada Mail | 7.2 | Free plan | API, self-hosted, Web | |
| 11 | Pombo | 7.2 | Free plan | $29/mo | API, Web |
| 12 | ReachMail | 7.2 | Free plan | $8/mo | API, Web |
| 13 | Zoho Campaigns | 7.2 | Free plan | Free | Android, API, iOS, Web |
| 14 | listmonk | 7.1 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 15 | Mailazy | 7.1 | Free plan | $49/mo | API, Web |
| 16 | Mailtrain | 7.1 | Free plan | Free | API, Linux, self-hosted, Web |
| 17 | GetResponse | 7.0 | $1915.58/mo | Android, API, iOS, Web | |
| 18 | Listrak | 6.9 | API, Browser, Web | ||
| 19 | TargetBay | 6.9 | $3.33/mo | API, Web | |
| 20 | Keila | 6.7 | No | €8/mo | API, self-hosted, Web |
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Questions about Letter alternatives
What is the best alternative to Letter?
AWeber, number 1 in email marketing software with a score of 7.4 out of 10. The others here: Mailjet, phpList, DirectIQ and 16 more.
What is the best free alternative to Letter?
AWeber is the best-ranked alternative with a free plan. 16 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, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.