Best Free Two-Factor Authentication App

Twilio Authy

by Authy Inc.

Free

This app provides a secure and convenient way to manage two-factor authentication tokens for your online accounts. It offers features like cloud backups, multi-device synchronization, and offline token generation to enhance account security and prevent lockouts.

Google Authenticator

by Google

Free

Enhance your online security with a second verification step for your accounts. Generate codes directly on your phone, even offline, to protect against unauthorized access. Sync codes across devices for easy access and manage multiple accounts securely.

Microsoft Authenticator

Protects your online identity

Free

Securely sign into online accounts with multi-factor authentication, passwordless login, or password autofill. Manage multiple accounts, including non-Microsoft services, and access Microsoft products and services seamlessly.

IDMe Authenticator

by ID.me

Free

This app provides a free multi-factor authentication solution for your account, adding an extra security layer to prevent unauthorized access. It generates secure verification tokens, including time-based codes and push notifications, to confirm your identity during login.

Authenticator App+: 2FA & MFA

Two Factor & Password Manager

Free

Generate two-factor authentication codes and securely store passwords. Offers step-by-step setup, autofill capabilities, and iCloud sync for seamless device management. Protects your sensitive information with robust security features.

Authenticator app - 2FA, MFA

Two Factor Authentication, OTP

Free

This app provides secure two-factor authentication for over 1000 popular online accounts. It offers quick access via widgets and Apple Watch, and ensures your data is safe with no internet exchange. Easily set up accounts by scanning QR codes or entering secret keys.

Authenticator App - 2FA App

Multi Factor Authentication

Free

This app generates time-based one-time passwords (TOTP) for secure online account access. It supports adding accounts via QR codes or manual entry, with codes stored locally for offline use. Optional Face ID protection enhances privacy.

Authenticator App - Two Factor

Two-factor - Duo Security

Free

Secure your online accounts with this simple and safe two-factor authentication app. It generates 6-digit one-time passwords to add an extra layer of security against hackers. Protect your accounts by scanning QR codes or manually entering tokens.

Authenticator - Two Factor App

MFA & 2FA Verify, Security

Free

This app generates time-based one-time passwords (OTP) to enhance the security of your online accounts. It offers quick setup via QR code scanning and works offline once configured. Data is encrypted and can be backed up to iCloud for seamless device synchronization.

2FA Authenticator App - TOTP

Two Factor Authentication App

Free

Enhance your account security with this free, private app for two-factor authentication. Generate verification codes offline to protect against unauthorized access, with support for multiple accounts and device synchronization.

Mobile 2FA Authenticator App

Two Factor Code - Authenticate

Free

This app provides secure generation and storage of two-factor and multi-factor authentication codes. It offers end-to-end encryption, biometric protection, and cross-device syncing for easy access and restoration.