Google Authenticator

A two-factor authentication solution that generates access codes on a variety of websites and platforms


84 Votes

  • Category General
  • Program license Free
  • Version 5.20R4
  • Size 13 MB
  • Works under: Android
  • Program available in English
  • Content rating Everyone
  • Package name
  • Program by Google LLC
    1600 Amphitheatre Parkway, Mountain View 94043

Google Authenticator is an essential two-factor authentication app for Android users.


Google Authenticator provides an essential layer of security for Google accounts and other applications that support two-factor authentication (2FA). The app generates time-based and counter-based one-time passwords (OTP) that serve as a second step during the login process. The goal is to prevent unauthorized access even if your password is compromised.


Google Authenticator works excellently, providing a robust 2FA solution. Users report that the app consistently generates accurate codes, and its data backup feature ensures that you can recover your accounts and codes even after removing and reinstalling the app. This is a significant advantage over some other authenticators, which may not reliably recover account data after reinstallation.


While the app's interface may not be as visually appealing as some alternatives (such as Microsoft Authenticator), it performs its essential function effectively. It's straightforward and easy to navigate, allowing users to add new accounts via a QR code or manual entry. The main screen presents a list of accounts and their corresponding six-digit codes, which refresh every 30 seconds.


Google Authenticator is primarily designed to secure Google accounts. However, it is also compatible with a wide array of other applications and services that support 2FA, making it a versatile tool for enhancing online security.


Google Authenticator is a reliable and straightforward tool for two-factor authentication. While it may lack some aesthetic appeal, its functionality is robust, and it provides an essential layer of security for various online accounts. Its compatibility with a wide range of services and its reliable data backup function set it apart.


  • Provides robust two-factor authentication
  • Compatible with many different services
  • Easy to set up and use
  • Reliable data backup function


  • Interface design is not as appealing as some alternatives
  • Cannot copy codes directly from the app

* Added device encryption to storage of secret values.

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