2FA Key — OTP Authenticator

Private TOTP for Apple Devices

Free · In‑App Purchases

Private TOTP for iPhone, iPad, Mac, and Apple Watch. Offline by default, with optional iCloud Keychain. 2FA Key is a calm, private authenticator for Apple devices. Generate time-based one-time passwords offline and copy them when you need them—without creating an account. MADE FOR APPLE DEVICES Use the same familiar flow on iPhone, iPad, Mac, and Apple Watch. Keep your most important accounts close with pinned accounts, groups, and a layout that puts the code first. PRIVATE BY DEFAULT • TOTP codes are generated on your device • QR images are recognized on your device • Optional iCloud Keychain support uses Apple’s system delivery • Face ID or device authentication can protect the vault • No account, ads, or analytics required RECOVERY LAB Check whether this device can read your local vault and generate codes before you need them. See the exact boundary between a local check and iCloud delivery to another device. CODE DOCTOR When a code is rejected, inspect the account’s algorithm, digit count, period, remaining time, and duplicate secrets. Get a clear next step before deleting and re-adding an account. ONE-TIME PURCHASE Manage one account for free. Unlock unlimited accounts with a single purchase. There is no recurring subscription. 2FA Key supports standard TOTP accounts and common otpauth QR codes. It does not provide approval prompts or SMS codes.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

Search now stays smooth while you type, then refreshes results after you pause. Recovery Lab checks local vault access and code generation. Code Doctor explains account parameters when a service rejects a code. We also refined the Apple device layout so the code stays the focus.

Version 1.1

The developer, 国城 唐, 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, for example, based 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

    Seller
    国城 唐
    Size
    10.7 MB
    Category
    Utilities
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    • Apple Watch
      Requires watchOS 10.0 or later.
    Languages
    English and 7 more
    • English, French, German, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Guocheng Tang
  • Developer Website
  • Privacy Policy