Authenticator 2FA app store and generate secure 2FA (two-factor auth) tokens for your online accounts on your device. Best 2FA Authenticator App is a simple and free application for Two Factor Authentication (2FA) which generates Time-based One-time Passwords (TOTP). MFA Authenticator app tool helps you protect your account from hackers by adding an additional layer of security. With the 2FA Backup system, you can store all your keys in the cloud and access them when needed. In case you lose or