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Open-Source Two Factor Authenticator for Android
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README.md

Authenticator Pro

Authenticator Pro

Authenticator Pro is a free open-source two factor authentication app for Android.

It supports TOTP (Time Based) and HOTP (Counter Based) authenticators using either SHA1, SHA256 or SHA512 hashing algorithms.

View some supported providers here: Two Factor Auth List (marked with "software token")

The app is written in C# with Xamarin Android.

Download

Get it on Google Play

Features

  • Compatibility : Compatible with most providers and accounts.

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

  • Very Secure : All authenticators are stored securely on your device with an encrypted database. Even with root access your authentications cannot be stolen.

  • Fingerprint / Passcode / Pattern Authentication : Lock access to your authenticators. On supported devices with a fingerprint reader, require the use a fingerprint to access your 2 factor codes.

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

  • Categories : Organise your authenticators into categories.

  • Reordering : Arrange your authenticators in any order you like so you can find them easily.

  • Beautiful Design : Authenticator Pro has a beautiful material design inspired look. Also you can change the look of the app to either a light or dark theme.

  • Limited Permissions : Authenticator Pro only uses basic permissions and does not require Internet access to function.

  • Adaptive Icon : Authenticator Pro has an adaptive icon and will blend in on any device.

Screenshots

Screenshot 1 Screenshot 2 Screenshot 3 Screenshot 4 Screenshot 5 Screenshot 6 Screenshot 7 Screenshot 7

Permissions

  • Storage Permission is required to save and load backup files from device storage.

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

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