Authenticator App - FastOTP
MatechMobile Software JSC
About this app
- Category Productivity
- Age 10
- Updated Sep 3, 2025
- OS IOS
Editor reviews
A fast, secure two-factor authentication app for generating one-time passwords. Authenticator App - FastOTP helps you protect logins with TOTP and HOTP codes, set up in seconds with quick QR scanning, and stay productive with one-tap code copying. Keep your accounts safe with biometric or passcode lock and encrypted local storage, and optionally enable secure backup and sync for easy device migration. Ideal for 2FA, MFA, and account security across email, cloud services, developer tools, and more.
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How to use:
1. Download and open the app, then create a passcode and enable Face ID or fingerprint lock for security.
2. Add your first account: choose Authenticator or 2FA on the website you’re securing, then scan the QR code or paste the setup key.
3. Confirm linking by entering the 6-digit code shown in the app back on the website or service.
4. Use codes to sign in: open the app, tap the account to copy the current code, and paste it during login. Enable autofill if supported by your device.
5. Organize and protect: rename accounts, group or sort them, and optionally turn on encrypted backup and multi-device sync so you can recover your tokens when you switch phones.