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FairEmail vs Infomaniak Mail: catalog facts
FairEmail	Infomaniak Mail
Free Free to download from Google Play, F-Droid or GitHub releases.	Freemium A free address with 20 GB storage is available; other Infomaniak mail plans are paid.
Android	Android
Works with nearly all IMAP providers and unlimited accounts OpenPGP and S/MIME encryption built in	Open-source Android client Free address with 20 GB of storage and no ads
No Microsoft Exchange Web Services or ActiveSync support Android only	Only works with Infomaniak-hosted addresses F-Droid version lacks push notifications
Downloadable app	Downloadable app, Hosted service
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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