Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- iPhone
- iPad
- Android
- Android Tablet
- Mac
- Windows




Stratum is described as 'A free open-source two factor authentication app for Android. It features encrypted backups, icons, categories and a high level of customisation. It also has a Wear OS companion app' and is a Authenticator in the security & privacy category. There are more than 50 alternatives to Stratum for a variety of platforms, including iPhone, Android, iPad, Android Tablet and Mac apps. The best Stratum alternative is KeePass, which is both free and Open Source. Other great apps like Stratum are Aegis Authenticator, Proton Authenticator, Ente Auth and Bitwarden Authenticator.
Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.




Two-step verification app with offline code generation, HOTP and TOTP support, biometric login, local auto backup, QR and image import, multi-language interface, account personalization, dark mode, label grouping, and data privacy controls for secure management.




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