2FA Authenticator TOTP Authen is a mobile authenticator and strong password generator for Android devices, developed by Skyline Pearl. This free app generates time-based one-time passwords (TOTP) and adds an extra layer of security to your online accounts. It also generates strong passwords with alphanumeric and special characters, which are stored in a vault that can be encrypted with a password.

The app allows you to add accounts through QR code, and after scanning the code, your account is protected. You can finally back up your accounts to your favorite cloud, transfer them to a new phone without hiccups, or even share them with your partner. It also provides SHA1, SHA256, and SHA512 algorithms for security purposes. The generated codes change after a specific time period, making it difficult for hackers to access your accounts.

The app has a lot of organization options to make finding the one you need at a particular moment easier. You can set a custom icon for an entry to make it easier to find, and add them to custom groups for easier access. It works with many online accounts and even without a data connection.

Overall, 2FA Authenticator TOTP Authen is a reliable and secure app for generating and managing one-time passwords and strong passwords.