Compare software

FairEmail vs Simple Email: catalog facts
FairEmail	Simple Email
Free Free to download from Google Play, F-Droid or GitHub releases.	Free Free software under the GPL-3.0 license.
Android	Android
Works with nearly all IMAP providers and unlimited accounts OpenPGP and S/MIME encryption built in	Unified inbox for multiple accounts Offline storage and operations
No Microsoft Exchange Web Services or ActiveSync support Android only	Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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