AtOnline Auth

Protect your accounts with secure two-factor authentication. Simple, private, and works offline.

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.