Duo: Authenticator App
丹丹 李
About this app
- Category Lifestyle
- Age 10
- Updated Feb 26, 2024
- OS IOS
Editor reviews
A secure and efficient 2FA authenticator that generates one-time passcodes and streamlines multi-factor authentication for your online accounts. Designed for productivity and peace of mind, it supports time-based OTP codes, one-tap approvals when available, and strong device security. Ideal for anyone who needs reliable login protection across work and personal services.
Core features
- Fast, offline TOTP codes compatible with popular services
- One-tap authentication approvals when supported by your organization
- Encrypted backup and easy device restore to prevent lockouts
- Biometric or PIN app lock, account sorting, and quick search
Perfect for users seeking an easy 2FA app, OTP generator, MFA security, and high-efficiency login protection without complexity.
Screenshots
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How to use:
1. Download and set up: Install the app, open it, and enable notifications and biometric lock if prompted.
2. Add your first account: On the website you want to secure, choose Authenticator App for two-factor setup, then scan the QR code with the app or enter the setup key.
3. Use codes to sign in: When prompted during login, open the app and copy the 6-digit code, or tap Approve if a push request appears.
4. Enable backup and recovery: In Settings, turn on encrypted backup and set a recovery option to easily restore your accounts on a new device.
5. Organize and secure: Rename accounts, reorder them for quick access, and require Face ID, Touch ID, or a PIN each time you open the app.