Google Authenticator is a free OTP (One Time Password) app to generate and use TOTP (Time-based One Time Password) tokens. Developed by Google
License: Free
Google Authenticator is focused primarily on generating time-based one-time passwords for two-factor authentication, making it simple and effective for securing accounts. In contrast, Keepass2Android is a more comprehensive password manager that offers extensive features for storing, organizing, and encrypting various types of sensitive information.