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Aegis Authenticator vs FreeOTP: catalog facts
Aegis Authenticator	FreeOTP
Free Free and open source under the GPL, with no accounts and no paid tier.	Free Free and open source.
Android	Android, iOS
The vault is encrypted with AES-256-GCM, unlocked by password with scrypt or by biometrics Automatic backups of the vault to a location you choose, plain or encrypted	Open source with public repositories for both apps Available on F-Droid as well as Google Play and the App Store
Android only No cloud sync; you own the backup process	Mobile only, no desktop app Minimal project website with little documentation
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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