Auth0 Single Sign On is a commercial access management solution by Auth0. Curity Identity Server is a commercial access management solution by Curity. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Product teams adding login to customer-facing apps
Auth0 fits customer identity and startup-to-enterprise product teams better than it fits internal workforce access. Teams choosing it for employee SSO should compare the workforce-specific products above first.
From Best Access Management Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
SSO platform enabling users to authenticate once across multiple applications
Identity server platform for managing authentication and access decisions
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
Auth0 Single Sign On fits if you want a cloud product and you are a startup.
Curity Identity Server fits if you need both cloud and on-premises options.
Common questions when comparing Auth0 Single Sign On vs Curity Identity Server for access management.
Auth0 Single Sign On: SSO platform enabling users to authenticate once across multiple applications. Built by Auth0.
Curity Identity Server: Identity server platform for managing authentication and access decisions. Built by Curity.
The table above shows where their features, integrations, deployment and company size fit differ.
Auth0 Single Sign On is made by Auth0. Curity Identity Server is made by Curity. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Auth0 Single Sign On and Curity Identity Server are both Access Management products, and both cover Authentication, Authorization, MFA. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best Access Management Solutions for Business picks Microsoft Entra ID, Okta Single Sign-On, Ping Identity Platform and 4 more.See the shortlist
