About
Stratum is an open-source two-factor authentication app for Android that adds an extra security layer to your accounts by requiring a one-time code at login. It supports TOTP and HOTP authenticators with SHA1, SHA256, or SHA512 hashing, plus Mobile-OTP, Steam, and Yandex. The app features encrypted backups you can save to cloud storage or your device, brand icons for easy recognition, category organization, biometric protection, and a Wear OS companion app for quick access from your watch. It requires minimal permissions, works offline, and offers extensive customization including custom icons, renaming, and manual reordering of authenticators.
Highlights
- Supports TOTP, HOTP, Mobile-OTP, Steam, and Yandex with SHA1, SHA256, or SHA512 hashing
- Encrypted backups saveable to cloud storage or device for account recovery
- Wear OS companion app with tile support for quick code access from your watch
- Brand icons and category organization for easy authenticator management
- Biometric and password protection with minimal permissions required
Best for
Android users securing multiple accounts with two-factor authentication who want encrypted backups, offline functionality, and the ability to view codes from their smartwatch.
At a glance
Stratum - Authenticator App is available on Android — all free to download.
It is developed by jmh.me.
Screenshots
Frequently Asked Questions
- Is Stratum - Authenticator App free?
- Yes — Stratum - Authenticator App is free to download on Android.
- What platforms is Stratum - Authenticator App available on?
- Stratum - Authenticator App is available on Android.
- What is Stratum?
- Stratum is an open-source Android authenticator app that generates one-time codes for two-factor authentication. It supports TOTP, HOTP, Mobile-OTP, Steam, and Yandex, with encrypted backups and a Wear OS companion app.
- Does Stratum work offline?
- Yes, Stratum works entirely offline and requires only camera permission to scan QR codes. It does not need internet access to generate authentication codes.
- Can I backup my authenticators?
- Yes, Stratum offers encrypted backups that you can save to cloud storage or your device. If you lose or change your phone, you can restore access to your accounts from the backup.
- Does Stratum have a smartwatch app?
- Yes, Stratum includes a Wear OS companion app that lets you view authenticators directly from your watch. You can set a favorite and place it in a tile for quick access, though a connection to your Android device is required.
- What are the alternatives to Stratum - Authenticator App?
- Stratum - Authenticator App is similar to Proton Pass - Password Manager, Aegis Authenticator - 2FA App, 2FA Authenticator (2FAS), and Proton Authenticator. Browse related apps by tag: open source, 2fa, password manager, and security.
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