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joyOTP is a two-factor authentication App for Android

It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP).
Simply scan the QR code and login with the generated 6-digit code.

Features:
* Requires minimal permissions
- Camera access for QR code scanning
- Storage access for import and export of the database
* Encrypted storage with two backends:
- KeyStore
- Password / PIN
* Multiple backup options:
- Plain-text
- Password-protected
- OpenPGP-encrypted
* Great Usability
* Compatible with Other Authenticators
* Supported algorithms:
- TOTP (Time-based One-time Passwords) as specified in [RFC 6238]
- HOTP (HMAC-based One-time Passwords) as specified in [RFC 4226]


Backup
joyOTP Provides powerful backup system with password protected, that can helps to transfer to other devices securely