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Authenticator Pro

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Authenticator Pro

Authenticator Pro is 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) and Steam are also supported.

Download ⬇️

Get it on Google Play Get it on F-Droid

Authenticator Pro is currently only available on the F-Droid client through the IzzyOnDroid repo. You must first add this repository in the F-Droid client.

Support development ❀️

Buy Me a Coffee

Quick Links πŸ”—

Request Icons

Frequently Asked Questions

Contribution Guide

Backup File Format

Importing from other apps:

Google Authenticator

Blizzard Authenticator



Features πŸͺ„

βš™οΈ Compatibility

Authenticator Pro is compatible with most providers and accounts.

πŸ’Ύ 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.

πŸŒ™ Dark Mode

Authenticator Pro 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.

πŸ“‚ Categories

Organise your authenticators into categories.

πŸ”’ Offline with few permissions

Authenticator Pro 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 πŸ“±

Screenshot 1 Screenshot 2 Screenshot 3 Screenshot 4 Screenshot 5 Screenshot 6 Screenshot 7 Screenshot 8

Wear OS Companion

Screenshot 1 Screenshot 2 Screenshot 3 Screenshot 4 Screenshot 5

Permissions πŸ”’

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