Authenticator icon
Authenticator icon

Authenticator

 7 likes

Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites.

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License model

  • FreeOpen Source

Application type

Platforms

  • iPhone
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Features

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  1.  Two-factor Authentication
  2.  Time-based One-time Password
  3.  Configurable Code Display
  4.  Multi-Factor Authentication (MFA)

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Authenticator information

  • Developed by

    Matt Rubin
  • Licensing

    Open Source and Free product.
  • Written in

  • Alternatives

    55 alternatives listed
  • Supported Languages

    • English

Apple AppStore

  •   Updated Jun 1, 2019
  •   3.69 avg rating
View in AppStore

GitHub repository

  •  858 Stars
  •  116 Forks
  •  88 Open Issues
  •   Updated Aug 2, 2024 
View on GitHub

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Authenticator was added to AlternativeTo by scribblemaniac on Jun 3, 2016 and this page was last updated Nov 23, 2021.
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What is Authenticator?

Authenticator is a simple, free, and open source two-factor authentication app. It helps keep your online accounts secure by generating unique one-time passwords, which you use in combination with your other passwords to log into supporting websites. The simple combination of the password in your head and the rotating passwords generated by the app make it much harder for anyone but you to access your accounts.

  • Easy: Simple setup via QR code, "otpauth://" URL, or manual entry
  • Secure: All data is stored in encrypted form on the iOS keychain
  • Compatible: Full support for time-based and counter-based one-time passwords as standardized in RFC 4226 and 6238
  • Off the Grid: The app never connects to the internet, and your secret keys never leave your device.

Official Links