Best CounterMail Alternatives in 2026
Updated
20 platforms from secure email providers ranked against CounterMail on the same published basis.
- 1CounterMail vs Aster Mail
- 2CounterMail vs eclipso Mail Europe
- 3CounterMail vs Proton Mail
- 4CounterMail vs Tuta Mail
- 5CounterMail vs Mailo
- 6CounterMail vs mail.de
- 7CounterMail vs Mailfence
- 8CounterMail vs Neir
- 9CounterMail vs NevTan Mail
- 10CounterMail vs OwnMail
- 11CounterMail vs QeyeT
- 12CounterMail vs SecureMyEmail
- 13CounterMail vs Disroot Email
- 14CounterMail vs Private.Ki Mail
- 15CounterMail vs EPRIVO
- 16CounterMail vs Private-Mail
- 18CounterMail vs Kolab Now
- 19CounterMail vs mailbox
- 20CounterMail vs Runbox
- 21CounterMail vs StartMail
CounterMail alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Aster Mail | 6.8 | Free plan | $2.42/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | eclipso Mail Europe | 6.0 | Free plan | €1.49/mo | Android, iOS, Mac, Web, Windows |
| 3 | Proton Mail | 6.0 | Free plan | Free | Web, Windows, Mac, Linux, iOS, Android |
| 4 | Tuta Mail | 6.0 | Free plan | €3/mo | Android, iOS, Linux, Mac, Windows |
| 5 | Mailo | 5.9 | Free plan | €1.50/mo | Android, iOS, Web |
| 6 | mail.de | 5.8 | Free plan | €0.99/mo | Web, iOS, Android |
| 7 | Mailfence | 5.8 | Free plan | €2.50/mo | Web, iOS, Android |
| 8 | Neir | 5.7 | Free plan | $4.99/mo | Web |
| 9 | NevTan Mail | 5.7 | Free plan | $0.17/mo | Web |
| 10 | OwnMail | 5.7 | Free plan | $4.99/mo | Web |
| 11 | QeyeT | 5.7 | No | — | Web, Windows, Linux, iOS, Android |
| 12 | SecureMyEmail | 5.7 | Free plan | Free | Windows, Mac, iOS, Android |
| 13 | Disroot Email | 5.6 | Free plan | Free | Web, Windows, Mac, Linux, iOS, Android |
| 14 | Private.Ki Mail | 5.5 | Free plan | $5/mo | Web |
| 15 | EPRIVO | 5.4 | No | $0.42/mo | Web, Windows, Mac, iOS, Android |
| 16 | Private-Mail | 5.3 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 18 | Kolab Now | 5.2 | No | CHF 5/mo | Web, Windows, Mac, Linux, iOS, Android |
| 19 | mailbox | 5.2 | No | €1/mo | Web, iOS, Android, Windows, Mac, Linux |
| 20 | Runbox | 5.2 | No | €1.66/mo | Web, iOS, Android |
| 21 | StartMail | 5.2 | No | $4.99/mo | Web, Windows, Mac, iOS, Android |
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Questions about CounterMail alternatives
What is the best alternative to CounterMail?
Aster Mail, number 1 in secure email providers with a score of 6.8 out of 10. The others here: eclipso Mail Europe, Proton Mail, Tuta Mail and 16 more.
What is the best free alternative to CounterMail?
Aster Mail is the best-ranked alternative with a free plan. 13 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to CounterMail?
Yes: Aster Mail.
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.