CometOTP-Rebrand - Two Factor (2FA) OTP Authenticator App

A rebrand for CometOTP (A powerful two-factor authentication app for Android and iOS)

It implements HMAC-Based One-Time Passwords (HOTP) and Time-based One-time Passwords (TOTP) like specified in RFC 6238.
Simply scan the QR code and login with the generated digit code(s).

Features:

Free and Open-Source
Requires minimal permissions
- Camera access for QR code scanning
- Storage access for import and export of the database
Encrypted storage
Multiple backup options:
- Plain-text
- Password-protected
- OpenPGP-encrypted
Sleek minimalistic Material Design with a Dark and Light theme
Great Usability
Compatible with Google Authenticator

Backups:

To keep your account information as secure as possible CometOTP only stores it in encrypted data files. A part of the encryption key used for that is stored in the Android KeyStore system. The advantage of this approach is that the key is kept separate from the apps data and, as a bonus, can be backed by hardware cryptography (if your device supports this).

However, due to that separation, backups with 3rd-party apps like Titanium Backup can not be used with CometOTP. Such apps only backup the encrypted data files and not the encryption key, which renders them useless.

Please only use the internal backup functions provided by CometOTP to backup your accounts! Everything else WILL result in data loss.

Opening the backups on your PC:

OpenPGP: OpenPGP can be used to easily decrypt the OpenPGP-encrypted backups on your PC.

Migration:

Check out this wiki page to learn about the different ways to migrate to CometOTP from other 2FA apps.

Downloads:

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Warning: All three versions (Google Play, F-Droid and the APKs) are not compatible (not signed by the same key)! You will have to uninstall one to install the other, which will delete all your data. So make sure you have a current backup before switching!