Stratum

About

Stratum is a free, open-source two-factor authentication (2FA) app primarily for Android, featuring a companion app for Wear OS. It offers a high level of customization, including icons and categories, and prioritizes user privacy with no tracking. Key features include encrypted backups, biometric or password unlock, tap-to-reveal codes, dark mode, offline functionality, and support for multiple accounts. It is lightweight and provides extensive import and export possibilities. As an open-source project, it is available on platforms like F-Droid and IzzyOnDroid, with its development hosted on GitHub (https://github.com/stratumauth/app). User reviews praise it as a top TOTP app for its robust security measures and comprehensive features.