Open Source Google Authenticator Alternatives for iPhone

There are many alternatives to Google Authenticator for iPhone if you are looking for a replacement. The best open source iPhone alternative is Bitwarden. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Authenticator and 18 are open source and available for iPhone so hopefully you can find a suitable replacement. Other interesting open source iPhone alternatives to Google Authenticator are Ente Auth, Proton Authenticator, Bitwarden Authenticator and 2FA Authenticator (2FAS).

filter to find the best alternatives

Google Authenticator alternatives are mainly Authenticators, but if you're looking for Password Managers or Team Collaboration Tools you can filter on that. Other popular filters include Open Source, EU, Authenticator, Open Source + Authenticator and iPhone + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Google Authenticator.
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Alternatives list

  1. Bitwarden icon

    Bitwarden

     1413 likes

    Open-source password manager using AES-256 and PBKDF2 SHA-256 encryption. Securely store and sync logins across iOS, Android, Windows, and more without service provider access.

    235 Bitwarden alternatives

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Docker
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • AppImage
    • Mozilla Firefox
    Bitwarden screenshot 1
     
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  2. Ente Auth icon

    Ente Auth

     188 likes

    Generates and stores two-factor authentication tokens with device encryption, offers secure cloud backup, multi-device synchronization, offline mode, and import/export through QR, file, or manual input. Migration and restore tools reduce risk of token loss.

    39 Ente Auth alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • F-Droid
    • Flatpak
    Ente Auth screenshot 1
     
  4. Proton Authenticator icon

    Proton Authenticator

     103 likes

    Protect your accounts with Proton Authenticator, a private and secure cross-device two-factor authentication (2FA) that works offline. Created by Proton, the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.

    64 Proton Authenticator alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    • Online
    Proton Authenticator screenshot 1
     
  6. 2FA Authenticator (2FAS) icon

    2FA Authenticator (2FAS)

     49 likes

    2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Mozilla Firefox
    2FA Authenticator (2FAS) screenshot 1
     
  7. FreeOTP icon

    FreeOTP

     77 likes

    FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.

    57 FreeOTP alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    FreeOTP screenshot 1
     
  9. OneKeePass icon

    OneKeePass

     25 likes

    OneKeePass supports the well known KeePass-compatible database (Kdbx 4.x). It stores and manages all your passwords and other sensitive information in a single encrypted file that can be stored in any location, including local and public cloud solutions. You keep?

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
    OneKeePass screenshot 1
     
  10. AuthPass icon

    AuthPass

     27 likes

    Manage all your passwords across all devices. Open Source password manager compatible with kdbx/keepass. Available on Android, iOS, iPadOS, MacOS, Linux and Windows. It can also be used as a cross-platform supported two factor authentication app.

    222 AuthPass alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Snapcraft
    • Flathub
    • Online
    AuthPass screenshot 1
     
  11. OnlyKey icon

    OnlyKey

     14 likes

    OnlyKey is an open source alternative to YubiKey. OnlyKey natively supports: a hardware password manager, multiple two-factor methods (FIDO2, TOTP, and Yubico® OTP), passwordless SSH login, and OpenPGP.

    26 OnlyKey alternatives

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    OnlyKey screenshot 1
     
  12. Tofu Authenticator icon

    Tofu Authenticator

     11 likes

    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.

    Cost / License

    • Free
    • Open Source (ISC)

    Application type

    Alerts

    • Discontinued

    Platforms

    • iPhone
    Tofu Authenticator screenshot 1
     
  13. OVault icon

    OVault

     5 likes

    OVault is a super simple OTP app that lets you view and manage OTPs for all your accounts. Set up OTPs by scanning QR codes with your devices Camera App, or by manually providing the OTP secret to the app.

    Cost / License

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    OVault screenshot 1
     
12 of 18 Google Authenticator alternatives