Filtered ranking
Best Secure Email Providers for Android in 2026
3 of the 6 secure email providers ranked on listme.name match: they officially support Android. The order uses the same scores as the full ranking.
The ranking
- 1
Proton Mail
Zero-access encryption, a free plan and apps on every major platform, with the web client published under GPL-3.0. Custom domains and extra storage need the paid plans.
Best for Private email with a free plan and apps
WebiOSAndroidmacOSWindowsLinuxFree plan, paid upgradesOpen source
- 2
Tuta
End-to-end encrypted mail and calendar on a free plan with post-quantum encryption, open-source clients under GPLv3 and servers in Germany. The free plan has only 1 GB of storage.
Best for Encrypted email and calendar on a free plan
WebiOSAndroidWindowsmacOSLinuxFree plan, paid upgradesOpen source
- 3
Mailfence
OpenPGP encryption in the browser and a free plan with 1 GB, under Belgian privacy law. It needs OpenPGP key management, which adds setup that Proton and Tuta do not need.
Best for OpenPGP email in the browser with a free plan
WebiOSAndroidFree plan, paid upgrades
At a glance
| Product | Score | Price | Platforms | Encryption | Hosting base | Free plan |
|---|---|---|---|---|---|---|
 Proton Mail | 92.0 | Free plan, paid upgrades | WebiOSAndroidmacOSWindowsLinux | End-to-end and zero-access | Switzerland (company) | Yes |
 Tuta | 90.0 | Free plan, paid upgrades | WebiOSAndroidWindowsmacOSLinux | End-to-end, post-quantum | Germany (servers) | Yes |
 Mailfence | 86.5 | Free plan, paid upgrades | WebiOSAndroid | OpenPGP end-to-end in browser | Belgian privacy law | Yes |