Developer-focused customer identity platform for authentication & authorization
Open-source, multi-tenant identity platform for authn, authz, and SSO.
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Based on what each listing shows: deployment, company size, price and open source.
Auth0 Platform fits if you want a cloud product.
ZITADEL fits if you need both cloud and on-premises options.
Common questions when comparing Auth0 Platform vs ZITADEL for CIAM.
Auth0 Platform: Developer-focused customer identity platform for authentication & authorization. Built by Okta.
ZITADEL: Open-source, multi-tenant identity platform for authn, authz, and SSO. Built by ZITADEL.
The table above shows where their features, integrations, deployment and company size fit differ.
Auth0 Platform is made by Okta. ZITADEL is made by ZITADEL. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Auth0 Platform and ZITADEL are both CIAM products, and both cover Authentication, Authorization, MFA. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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