AtOnline Auth

Secure 2FA Authenticator

Free · Designed for iPad

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.

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The developer, Karpelès Lab Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Size
      • 20.1 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 13.0 or later.
      • iPhone
        Requires iOS 13.0 or later.
      • iPad
        Requires iPadOS 13.0 or later.
      • iPod touch
        Requires iOS 13.0 or later.
      • Mac
        Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Provider
      Karpeles Lab Inc.
      • Karpeles Lab Inc. has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
      • DUNS Number
        718157247
      • Address
        〒161-0032
        Tokyo SHINJUKU-KU 3-15-22-301, NAKAOCHIAI
        Japan
      • Phone Number
        +81 345102960
      • Email
        contact@klb.jp
    • Copyright
      • © 2026 Karpelès Lab Inc.
  • Privacy Policy

    • More by Karpelès Lab Inc.