Compare software

Aegis Authenticator vs OTPClient: catalog facts
Aegis Authenticator	OTPClient
Free Free and open source under the GPL, with no accounts and no paid tier.	Free Free and open source under the GPL-3.0 license.
Android	Linux, Command line
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	Multiple encrypted token databases Supports TOTP, HOTP and Steam Guard codes
Android only No cloud sync; you own the backup process	Desktop Linux only, no mobile app Handles one-time codes only, not passwords
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account 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 24, 2026

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