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Duo Free

Keep your credentials, cloud, and on-premises applications safe and sound with Duo's easy-to-integrate multi-factor authentication (MFA) system.

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Large circle with a dot in the middle of it representing Duo's free edition of MFA.

A woman sitting holding their mobile phone getting an authentication message from Duo MFA to securely log into.

Protect your squad

Protect your team against credential theft attacks by adding an extra layer of login security with Duo’s cloud-based two-factor authentication solution.

No hardware. No problem.

Duo provides an easy-to-use, secure mobile authentication app for quick, push notification-based approval to verify your user’s identity. You can also add supported authentication methods to fit every user’s needs.

Protect every app, everywhere

With Duo Free, you can integrate two-factor authentication with your federated cloud and on-premises application logins to keep data safe no matter where it lives. Protect as many applications as you need, at no additional cost for new integrations.

You’ve got options

Compare our different plans to find which one is right for you. View pricing.

  • 30 days free
  • Finished with the trial? Easy pay with credit card at any time
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  • Modify your subscription anytime