Auth0 Passwordless Authentication vs Duo Passport: Side-by-Side Comparison (2026)

Auth0 Passwordless Authentication: Passwordless authentication platform using passkeys, biometrics, and SMS/email. built by Auth0. Core capabilities include Passkey-based authentication, WebAuthn biometric authentication (face and fingerprint), SMS-based passwordless authentication..

Duo Passport: SSO solution that reduces authentication prompts via continuous trust verification. built by Duo Security. Core capabilities include Invisible authentication with single login, Continuous trust evaluation using risk-based policies, Session sharing between browsers and desktop applications..

Both serve the Multi-Factor Authentication and Single Sign-On market but differ in approach, feature depth, and target audience.

Auth0 Passwordless Authentication differentiates with Passkey-based authentication, WebAuthn biometric authentication (face and fingerprint), SMS-based passwordless authentication. Duo Passport differentiates with Invisible authentication with single login, Continuous trust evaluation using risk-based policies, Session sharing between browsers and desktop applications.

Auth0 Passwordless Authentication is developed by Auth0. Duo Passport is developed by Duo Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Auth0 Passwordless Authentication and Duo Passport serve similar Multi-Factor Authentication and Single Sign-On use cases: both are Multi-Factor Authentication and Single Sign-On tools, both cover Single Sign On, MFA, Authentication. Review the feature comparison above to determine which fits your requirements.