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.



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, iPad, Linux and Android Tablet 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.
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.



MFAuth is a free and secure application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.


