https://github.com/stratumauth/app

📱 Two-Factor Authentication (2FA) client for Android + Wear OS
https://github.com/stratumauth/app

2fa android authenticator c-sharp hotp material-design material-you motp otp steam tfa totp two-factor-authentication wear-os wearos xamarin xamarin-android

Last synced: 13 days ago
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📱 Two-Factor Authentication (2FA) client for Android + Wear OS

• Host: GitHub
• URL: https://github.com/stratumauth/app
• Owner: stratumauth
• License: gpl-3.0
• Created: 2018-08-14T20:58:18.000Z (over 6 years ago)
• Default Branch: master
• Last Pushed: 2024-10-29T12:05:34.000Z (6 months ago)
• Last Synced: 2024-10-29T14:35:09.880Z (6 months ago)
• Topics: 2fa, android, authenticator, c-sharp, hotp, material-design, material-you, motp, otp, steam, tfa, totp, two-factor-authentication, wear-os, wearos, xamarin, xamarin-android
• Language: C#
• Homepage: https://stratumauth.com
• Size: 112 MB
• Stars: 3,059
• Watchers: 36
• Forks: 199
• Open Issues: 64
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • Funding: .github/FUNDING.yml
  • License: LICENSE

Awesome Lists containing this project

• awesome-starred - stratumauth/app - 📱 Two-Factor Authentication (2FA) client for Android + Wear OS (C# #)
• awesome-starred - stratumauth/app - 📱 Two-Factor Authentication (2FA) client for Android + Wear OS (C# #)
• awesome-list - stratumauth/app - 📱 Two-Factor Authentication (2FA) client for Android + Wear OS (C#)

README

        
![GitHub](https://img.shields.io/github/license/stratumauth/app?style=flat)

![GitHub stars](https://img.shields.io/github/stars/stratumauth/app?style=flat)

![GitHub last commit](https://img.shields.io/github/last-commit/stratumauth/app?style=flat)

[![Crowdin](https://badges.crowdin.net/authenticator-pro/localized.svg)](https://crowdin.com/project/authenticator-pro)

![Stratum](./doc/RebrandingMaterial/Wordmark.png)





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.

It supports TOTP (Time Based) and HOTP (Counter Based) authenticators using either SHA1, SHA256 or SHA512 hashing algorithms. Mobile-Otp (mOTP), Steam and Yandex are also supported.

## Download ⬇️

[](https://play.google.com/store/apps/details?id=com.stratumauth.app)

[](https://apt.izzysoft.de/fdroid/index/apk/com.stratumauth.app)

> Stratum is currently only available on the F-Droid client through the [IzzyOnDroid repo](https://apt.izzysoft.de/fdroid/). You must first add this repository in the F-Droid client.

## Support development ❤️

[](https://www.buymeacoffee.com/jamiemh)

## Quick Links 🔗

[Request Icons](https://github.com/stratumauth/app/issues/new?assignees=&labels=enhancement&template=icon_request.md&title=)

 

[Frequently Asked Questions](https://github.com/stratumauth/app/wiki#frequently-asked-questions)

[Contribution Guide](https://github.com/stratumauth/app/blob/master/CONTRIBUTING.md)

[Backup File Format](https://github.com/stratumauth/app/blob/master/doc/BACKUP_FORMAT.md)

### Importing from other apps:

[Google Authenticator](https://github.com/stratumauth/app/wiki/Importing-from-Google-Authenticator)

[Blizzard Authenticator](https://github.com/stratumauth/app/wiki/Importing-from-Blizzard-Authenticator)

[Steam](https://github.com/stratumauth/app/wiki/Importing-from-Steam)

[Authy](https://github.com/stratumauth/app/wiki/Importing-from-Authy)

## Features 🪄

⚙️ **Compatibility:** Stratum is compatible with most providers and accounts.

 

💾 **Backup / Restore:** Backup your authenticators with strong encryption. In case you lose your or change phone, you can always gain access to your accounts. Save to cloud storage or to your device.

🌙 **Dark Mode:** Stratum has a beautiful material design inspired look in either light or dark themes.

⏺️ **Icons:** Find your authenticators easily with recognisable brand logos and icons next to each code.

📂 **Categories:** Organise your authenticators into categories.

🔒 **Offline with few permissions:** Stratum only requires a single permission and does not require Internet access to function.

🎨 **Customisation:** Set icons and rename. You can also arrange your authenticators in any order you like so you can find them easily.

⌚ **Wear OS:** Quickly view your authenticators directly from your watch. Please note that a connection to your Android device is required.

## Screenshots 📱

![Screenshot 1](./doc/screenshot1.png)

![Screenshot 2](./doc/screenshot2.png)

![Screenshot 3](./doc/screenshot3.png)

![Screenshot 4](./doc/screenshot4.png)

![Screenshot 5](./doc/screenshot5.png)

![Screenshot 6](./doc/screenshot6.png)

![Screenshot 7](./doc/screenshot7.png)

![Screenshot 8](./doc/screenshot8.png)





### Wear OS Companion

![Screenshot 1](./doc/wearos_screenshot1.png)

![Screenshot 2](./doc/wearos_screenshot2.png)

![Screenshot 3](./doc/wearos_screenshot3.png)

![Screenshot 4](./doc/wearos_screenshot4.png)

![Screenshot 5](./doc/wearos_screenshot5.png)

## Permissions 🔒

* Camera permission is required to add accounts through QR codes.

## Disclaimer

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.