Stratum
The facts below are what the maker publishes about Stratum, checked and dated. Our editors have not written about it yet.
Plans and prices
From Stratum's own pricing page, checked 11 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Stratum | Free | Free and open-source; Google Play version includes proprietary features; free software releases available through Stratum and IzzyOnDroid repos |
The facts
Each one read from Stratum's own pages, with the date it was checked.
What it does
- Account protection
- Users can set a password and use biometric authentication to protect codes with encryption.checked 11 Oct 2026
- Codes
- It supports TOTP, HOTP, mOTP, Steam and Yandex authentication codes.checked 11 Oct 2026
- Code type
- totp and hotpchecked 22 Sep 2026
- Encrypted backup
- Yeschecked 22 Sep 2026
- Encrypted backups
- Users can protect backup files with encryption and restore them on a replacement phone.checked 11 Oct 2026
- Import limitation
- Importing from another authenticator depends on that app allowing data export; the FAQ says Microsoft Authenticator does not export secrets.checked 11 Oct 2026
- Local operation
- The app does not require Internet access to function and does not implement cloud sync.checked 11 Oct 2026
- Migration
- Users can import accounts from supported alternative apps and export their data.checked 11 Oct 2026
- Organization
- The app provides authenticator icons, categories, adjustable display density, accent colors and ordering.checked 11 Oct 2026
- Privacy and source
- The project says it has no corporate ties, publishes auditable source code on GitHub, and uses the GPL 3.0 license.checked 11 Oct 2026
- Purpose
- Stratum is a free and open-source two-factor authentication app for Android.checked 11 Oct 2026
- Support
- The feedback form does not provide support; it directs users to the FAQ and suggests filing bugs on GitHub.checked 11 Oct 2026
- WebDAV backup
- Auto Backup can save files to a WebDAV server when used with the DAVx5 app.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 22 Sep 2026
Where it runs
- Multi-device sync
- Yeschecked 22 Sep 2026
- Platform limitation
- The FAQ says Stratum is not available for iOS and probably will not be.checked 11 Oct 2026
- Supported platforms
- androidchecked 22 Sep 2026
- Wear OS
- A Wear OS companion displays codes synced from the phone, and requires a connection to the Android device for initial access.checked 11 Oct 2026
- Wear OS limitation
- The FAQ says HOTP is not supported on the Wear OS app because its counter cannot be reliably reported back to the phone.checked 11 Oct 2026
Alternatives to Stratum
- 1
Bitwarden
Free planOpen sourceAndroidiOSWebAPI9.3From $1.65 a month - 2
Duo Mobile
Free planAndroidiOS8.5From $3 a month - 3
SAASPASS Authenticator
Free planAndroidiOSWebExtension8.4From $1 a year - 4
LastPass
Free planAndroidiOSWebExtension8.4Free plan - 5
Yubico Authenticator
Free planAndroidiOSLinuxmacOS8.1Free plan - 6
HYPR Authenticate
AndroidiOSWebAPI8.1From $3 a month