AtOnline Auth

AtOnline Auth is a secure two-factor authentication (2FA) app that helps protect your online accounts with time-based one-time passwords (TOTP), HMAC-based one-time passwords (HOTP), and OCRA challenge-response authentication.

KEY FEATURES:

Secure Token Management
- Store and manage all your 2FA tokens in one place
- Add tokens easily by scanning QR codes or entering details manually
- Support for TOTP, HOTP, and OCRA (RFC 6287) authentication methods
- Configurable token settings (6 or 8 digits, various time periods)

OCRA Challenge-Response
- Full RFC 6287 OCRA support for enterprise authentication
- Scan challenge QR codes to auto-fill and generate responses
- Support for PIN, session data, counter, and timestamp options
- Compatible with banking and high-security applications

Strong Security
- Master password protection with industry-standard encryption
- Biometric authentication (Face ID and Touch ID) for quick access
- All sensitive data encrypted locally on your device
- No cloud storage - your secrets never leave your device

Smart Organization with Tags
- Create custom tags to organize tokens by category (work, personal, banking, crypto)
- Filter and find tokens instantly using tags
- Manage dozens of accounts without losing track
- Quick search across all your tokens

Backup & Recovery
- Secure encrypted backup export
- Password-protected import/restore functionality
- Never lose access to your accounts

SUPPORTED ALGORITHMS:
- SHA1, SHA256, and SHA512 hash algorithms
- Compatible with all standard TOTP/HOTP/OCRA authenticator systems

AtOnline Auth works offline and keeps your authentication codes secure and accessible whenever you need them.