Compare software

FairEmailSterna Mail
Free

Free to download from Google Play, F-Droid or GitHub releases.

 Free

Free and open source under the GPL-3.0-or-later licence, with no ads.

Android Android
  • Works with nearly all IMAP providers and unlimited accounts
  • OpenPGP and S/MIME encryption built in
  • Native JMAP support as well as IMAP/SMTP
  • No tracking, ads or Google services
  • No Microsoft Exchange Web Services or ActiveSync support
  • Android only
  • Android only
  • Young project still changing its interface often
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0-or-later
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.