MFAuth is a free, secure and completely offline application that offers 2-step verification for managing your online accounts and services, thus helping to protect your accounts from hackers.
TOTP Authenticator Alternatives
TOTP Authenticator is described as 'Makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out' and is a Authenticator in the security & privacy category. There are more than 25 alternatives to TOTP Authenticator for a variety of platforms, including Android, iPhone, iPad, Android Tablet and Mac apps. The best TOTP Authenticator alternative is Aegis Authenticator, which is both free and Open Source. Other great apps like TOTP Authenticator are Proton Authenticator, Ente Auth, Bitwarden Authenticator and 2FA Authenticator (2FAS).