Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- iPhone
- iPad
- Android
- Android Tablet
- Mac
- Windows




PreCheck.ai is described as 'Empowering individuals and businesses with tools for privacy, reputation management, and the fastest identity verification online' and is an website. There are more than 10 alternatives to PreCheck.ai, not only websites but also apps for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Windows apps. The best PreCheck.ai alternative is Aegis Authenticator, which is both free and Open Source. Other great sites and apps similar to PreCheck.ai are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 1Password.
Authman helps you manage your 2-step authentication tokens on iOS, Android and desktop, and securely sync them between devices.




Chronos is an open-source two-factor authentication (2FA) app designed to deliver robust security and reliable backup features. It supports both time-based (TOTP) and counter-based (HOTP) authentication methods.



