Best Two Factor Authentication Products in 2025

Google Authenticator is a multifactor app for mobile devices.

Key Google Authenticator features:

Enhanced Security Offline Access Compatibility Free of Charge

free

Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.

Key Authy features:

Multi-device synchronization Encrypted backups Offline usage capability Desktop app available

Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.

Key Duo Security features:

Easy Integration User-Friendly Comprehensive MFA Options Strong Security Features

Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.

Key Azure Multi-Factor Authentication features:

Enhanced Security Flexible Authentication Options Integration with Microsoft Services Compliance Support

One app to quickly and securely verify your identity online, for all of your accounts.

Key Microsoft Authenticator features:

Enhanced Security Ease of Use Integration with Microsoft Ecosystem Push Notifications

Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...

Key Aegis Authenticator features:

Open Source No Ads or Tracking Secure Backup Options Import/Export Options

Auth0 is a program for people to get authentication and authorization services for their own business use.

Key Auth0 features:

Ease of Use Security Scalability Customization

Open Source

Authenticator is a simple, free, and open source two-factor authentication app.

Key Authenticator features:

Open Source Privacy-Focused Simple User Interface Local Storage

Open Source

Enterprise-grade identity management for all your apps, users & devices.

Key Okta features:

Comprehensive Identity Management Ease of Integration User-Friendly Interface High Security Standards

Open source implementation of the two-factor authentication HOTP and TOTP schemes.

Key FreeOTP features:

Open Source No Tracking Offline Functionality Compatibility

LastPass is an online password manager and form filler that makes web browsing easier and more secure.

Key LastPass Authenticator features:

Security Ease of Use Compatibility Backup and Restore

DIGIPASS offers two-factor​ authentication solutions for mobile applications.

Key DIGIPASS features:

Enhanced Security User-Friendly Interface Customizability Compliance

The YubiKey is a one-time password device for secure login with two-factor authentication.

Key YubiKey features:

Enhanced Security Phishing Protection Ease of Use Compatibility