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Aegis Authenticator vs Google Authenticator: catalog facts
Aegis Authenticator	Google Authenticator
Free Free and open source under the GPL, with no accounts and no paid tier.	Free Free to download and use.
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	Generates codes without a network connection Optional sync of codes across devices via a Google Account
Android only No cloud sync; you own the backup process	Cloud sync ties your codes to a Google Account Not open source
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	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.