Google Authenticator generates 2-Step Verification codes on your phone.




Proton Authenticator is described as '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' and is a popular Authenticator in the security & privacy category. There are more than 50 alternatives to Proton Authenticator for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Windows apps. The best Proton Authenticator alternative is Bitwarden, which is both free and Open Source. Other great apps like Proton Authenticator are KeePassXC, KeePass, Aegis Authenticator and Ente Auth.
Google Authenticator generates 2-Step Verification codes on your phone.




Offering a secure, offline Android experience, this manager supports KeePass' .kdb and .kdbx formats, ensuring compatibility with KeePass 1.x and 2.x. Report any issues on GitHub.




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.




A free open-source two factor authentication app for Android. It features encrypted backups, icons, categories and a high level of customisation. It also has a Wear OS companion app.




Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.



A new app from Apple that makes it even easier to access passwords, passkeys, Wi-Fi passwords, and other credentials all in one place, with secure end-to-end encryption, and iCloud sync.





Sign in is easy, convenient, and secure when you use Microsoft Authenticator. Use your phone, not your password, to log into your Microsoft account. You simply have to enter your username, then approve the notification sent to your phone.




Store your unique credentials on a hardware-backed security key and take it wherever you go from mobile to desktop. No more storing sensitive secrets on your mobile phone, leaving your account vulnerable to takeovers.




Mauth (pronounced Moth) is a Two-Factor Authentication app with support for TOTP and HOTP (coming soon) and compatibility with Google Authenticator.




OTP authenticator app for managing your 2FA / OTP codes on iPhone, iPad, Mac and Apple Watch.




Duo Mobile works with Duo Security's two-factor authentication service to make logins more secure. The application generates passcodes for login and can receive push notifications for easy, one-tap authentication.




Keysmith is a token generator for your two-factor authentication (2FA) logins. It supports time and hash-based one-time passwords (TOTP/HOTP).

Passwords is not a 2FA app