Alternatives to Authenticator

A GNOME desktop app that generates two-factor authentication codes using the TOTP and HOTP standards. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Authenticator.

  • Ente Auth

    Open-source two-factor authenticator with end-to-end encrypted backups.

    FreeOpen sourceWindowsmacOSLinuxAndroidiOSWeb

    Ente Auth runs on Linux, Windows, macOS, Android, iOS and the web, and adds free end-to-end encrypted cloud backup that requires an Ente account.

  • Proton Authenticator

    A free two-factor authentication app from Proton with end-to-end encrypted sync between your devices and no advertising.

    FreeOpen sourceWindowsLinuxAndroid

    Proton Authenticator is open source and free, runs on Linux, Windows and Android, and syncs codes with end-to-end encryption through a Proton account.

  • OTPClient

    A GTK4 desktop app for managing TOTP and HOTP two-factor codes in encrypted databases.

    FreeOpen sourceLinuxCommand line

    OTPClient stays on the Linux desktop with a GTK4 interface, and adds multiple encrypted token databases, Steam Guard codes and a command-line tool.

  • Google Authenticator

    Google's mobile app that generates one-time verification codes for two-step verification.

    FreeProprietaryAndroidiOS

    Google Authenticator moves your codes from the Linux desktop to an Android or iOS phone, is closed source, and offers optional sync through a Google Account.

  • Aegis Authenticator

    An encrypted two-factor authentication app for Android with real backups and imports from every other authenticator.

    FreeOpen sourceAndroid

    Aegis Authenticator moves codes to an Android phone with an encrypted vault, automatic backups you control and imports from many other authenticator apps.

  • 2FAS

    Open-source authenticator app with browser-extension push approvals.

    FreeOpen sourceAndroidiOSBrowser extension

    2FAS moves codes to an Android or iOS phone, stays open source, and adds browser-extension push approvals and encrypted backups to iCloud or Google Drive.

  • FreeOTP

    An open-source two-factor authentication app for Android and iOS that generates one-time codes.

    FreeOpen sourceAndroidiOS

    FreeOTP is a free open-source authenticator for Android and iOS, available on F-Droid, but it has no desktop app and minimal documentation.

  • Yubico Authenticator

    An app that shows two-factor codes from OATH credentials stored on a YubiKey.

    FreeProprietaryWindowsmacOSLinuxAndroidiOS

    Yubico Authenticator keeps secrets on a YubiKey rather than the computer, works on desktop and mobile, is closed source and requires buying the hardware key.

Similar software

Related functionality, not a direct replacement.