Stratum
Stratum (formerly Authenticator Pro) is a community-backed open-source project which aims to provide privacy and security to users. The source-code is auditable by anyone on GitHub and released under the GPL 3.0 license.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Android
- Android Tablet
- Android Wear
- F-Droid
Features
Properties
- Lightweight
- Privacy focused
Features
- Time-based One-time Password
- Two-factor Authentication
- Encrypted Backup
- Dark Mode
- Compatible with Android Wear
- Ad-free
- Works Offline
- Biometric Authentication
- No Tracking
- Multiple Account support
- End-to-End Encryption
- Multi-Factor Authentication (MFA)
Stratum News & Activities
Recent activities
- nazarzajya rated Stratum
- nazarzajya liked Stratum
- FateGambler111 updated Stratum
Crypt0z0r added Stratum as alternative to Seed-Vault- anastrophe added Authenticator as a feature to Stratum
- impox_ liked Stratum
Stratum information
Featured in Lists
A list with 5 apps by namdx1987 without a description.
A list with 10 apps by tomyan112 without a description.
What is Stratum?
Stratum (formerly Authenticator Pro) is a community-backed open-source project which aims to provide privacy and security to users. The source-code is auditable by anyone on GitHub and released under the GPL 3.0 license. The project has no corporate ties or interests but, rather has the purpose of providing a secure and private two-factor authentication solution to the privacy conscious.
Unlike alternative user-hostile applications, Stratum does not lock-in your data or communicate with distant servers. Everything is safely protected in the app and can be exported at any time. In addition to the privacy benefits, the app has many quality-of-life improvements for better usability.









Comments and Reviews
My search to find the best TOTP app has finally come to an end, as Authenticator Pro is simply the best! Despite “Pro” being in the name, it is entirely free and open source. Plus, it takes great measures to secure user data, like encrypted backups, biometric or password unlock, and tap to reveal code.
It is also dead easy to use with a customizable and material design.
It looks great and has many import and export possibilities, I just wish it had a better name. The only thing missing for me is a browser extension like the one from 2FAS