FairEmail is a privacy-first Android client that treats tracking as the enemy: it blocks tracking pixels, strips risky HTML, and skips Google’s push service so nothing routes through Firebase. It speaks plain IMAP and SMTP so it works with virtually any mailbox and it supports both OpenPGP and S/MIME for genuine end-to-end encryption. The app is fully open source under GPL-3.0 and free to use, with a one-time purchase unlocking the power features. The trade-off is a dense, settings-heavy interface that can overwhelm newcomers. If you want maximum control on Android, this is the pick.

FairEmail
Privacy-obsessed open-source email for Android.
email.faircode.eu
FreemiumOpen SourceE2E EncryptedAndroidNetherlands
Pricing The core app is free; a one-time in-app purchase unlocks Pro features such as S/MIME, filter rules, and scheduled send.
Strengths
- Blocks trackers and strips unsafe HTML by default
- OpenPGP and S/MIME encryption built in
- Open source (GPL-3.0) and works with any provider
- Avoids Google's Firebase push service
Considerations
- Dense, settings-heavy interface
- Android only
- Some features locked behind a paid upgrade
Listed in Email Clients




