Duo Directory vs Duo Single Sign-On (SSO): Side-by-Side Comparison (2026)

Duo Directory: IAM solution with user directory, SSO, MFA, and passwordless authentication. built by Duo Security. Core capabilities include User directory with lifecycle management, Single sign-on (SSO), Phishing-resistant multi-factor authentication..

Duo Single Sign-On (SSO): SSO solution with MFA integration for cloud and on-premises applications. built by Duo Security. Core capabilities include Single sign-on authentication with digital token generation, SAML 2.0 and OIDC protocol support, Pre-built integrations for hundreds of applications..

Both serve the Access Management market but differ in approach, feature depth, and target audience.

Duo Directory differentiates with User directory with lifecycle management, Single sign-on (SSO), Phishing-resistant multi-factor authentication. Duo Single Sign-On (SSO) differentiates with Single sign-on authentication with digital token generation, SAML 2.0 and OIDC protocol support, Pre-built integrations for hundreds of applications.

Duo Directory is developed by Duo Security. Duo Single Sign-On (SSO) is developed by Duo Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Duo Directory and Duo Single Sign-On (SSO) serve similar Access Management use cases: both are Access Management tools, both cover Single Sign On, MFA, Authentication. Review the feature comparison above to determine which fits your requirements.