Authenticator ·
SMM service, s.r.o.
About this app
- Category Productivity
- Age 10
- Updated Aug 23, 2025
- OS IOS
Editor reviews
A secure two-factor authentication app that generates time-based one-time passwords to protect your logins. Add accounts in seconds by scanning a QR code or entering a setup key, and get reliable 6-digit codes even when offline. Lock access with biometrics and on-device encryption, with optional encrypted backup and easy device transfer. Ideal for fast, secure 2FA across email, cloud storage, finance, and developer tools, helping you stay productive while keeping accounts safe.
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How to use:
1. Download and open the app, then enable biometric lock or a PIN for secure access.
2. On the website or app you want to protect, turn on two-factor authentication and choose authenticator app.
3. Scan the provided QR code with the app, or manually enter the setup key to add the account.
4. Confirm setup by entering the 6-digit code shown in the app; use a new code each time you sign in.
5. Optional: enable encrypted backup or device transfer, organize accounts with labels, and ensure your phone’s time is set to automatic for accurate codes.