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Tofu Authenticator

An easy-to-use open-source two-factor authentication app designed specifically for iOS.

  • iPhone
  • iPad
Avg rating of 5 (1)| 1 comments

What is Tofu Authenticator?

Tofu generates one-time passwords to help you protect your online accounts. These passwords are used together with your normal password when you sign into services like Google, Facebook, Dropbox, Amazon, and GitHub.

Tofu works with all services that provide two-factor authentication using the HOTP and TOTP algorithms. It does not require a network or cellular connection and can be used in airplane mode.

Tofu is open source and free software licensed under the ISC license. The source code is available for review and modification on GitHub.


  • Scanning: Scan the QR code your issuer provides to automatically add your account.
  • Search: Search your accounts by name to quickly find the one you're looking for.
  • Compatibility: Support for both counter-based and time-based one-time passwords with 6 or 8 digits using the SHA1, SHA256, and SHA512 algorithms.
  • Offline: Requires no network or cellular connection and can be used in airplane mode.
  • Security: All your account details are safely stored in the iOS keychain.
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Tofu Authenticator Screenshots

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Tofu Authenticator Features

  1.  Two-factor AuthenticationTofu Authenticator supports two-factor authentication (2FA).
  2.  Multiple Account supportTofu Authenticator support multiple accounts without the need to logout and login
  3.  Time-based One-time PasswordTofu Authenticator has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords

Tofu Authenticator information

Supported Languages

  • English

Apple AppStore

  •   Updated
  •   4.66 avg rating
View in AppStore

GitHub repository

  •  385 Stars
  •  60 Forks
  •  42 Open Issues
  •   Updated
View on GitHub

Our users have written 1 comments and reviews about Tofu Authenticator, and it has gotten 7 likes

Tofu Authenticator was added to AlternativeTo by Nonon on and this page was last updated .

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Top positive comment ago
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Amazing Apple friendly UI and nice feature. Really interesting open source 2FA OTP App

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Said about Tofu Authenticator as an alternative


Clean, GNU and super easy to use.

Positive comment ago
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  • Authenticator
  • Authentication
  • Security & Privacy

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