Duo: Authenticator App

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.