Authenticator: Secure 2FA Auth
SEVERIN BARTOSZ TATUSCH
About this app
- Category Utilities
- Age 10
- Updated Aug 6, 2025
- OS IOS
Editor reviews
Authenticator: Secure 2FA Auth is a lightweight authenticator app that generates time-based one-time passwords (TOTP) to protect your online accounts. Core features include quick account setup via QR code or manual entry, reliable offline TOTP generation for secure two-factor authentication, and encrypted backup and restore to keep your tokens safe. Designed for security-conscious users, developers, and businesses, it offers fast setup, privacy-first offline operation, and seamless recovery for lost or new devices. Keywords: authenticator app, 2FA, two-factor authentication, TOTP, secure login.
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How to use:
1. Download and open the app, then set an optional PIN or enable biometric protection for quick, secure access.
2. Add an account by tapping the add button, scanning the service QR code or entering the secret key manually.
3. Use the generated 6-digit TOTP codes to sign in to websites and apps within the displayed time window; copy or autofill the code when prompted.
4. Enable encrypted backup or export an encrypted recovery file so you can restore tokens on a new device if needed.
5. If codes appear incorrect, sync the app clock with network time in settings and retry.