FusionAuth is a commercial CIAM solution by FusionAuth. Privakey SSO & IdS is a commercial MFA & passwordless solution by Privakey. Features, integrations, deployment and the company behind each one, side by side.
AuthN, AuthZ, and identity management you can deploy anywhere and control end to end.
Passwordless SSO and CIAM suite using biometrics and asymmetric crypto.
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.
FusionAuth fits if you need both cloud and on-premises options and you are a startup.
Privakey SSO & IdS fits if you want a cloud product.
Common questions when comparing FusionAuth vs Privakey SSO & IdS for CIAM.
FusionAuth: AuthN, AuthZ, and identity management you can deploy anywhere and control end to end, built by FusionAuth.
Privakey SSO & IdS: Passwordless SSO and CIAM suite using biometrics and asymmetric crypto, built by Privakey.
The table above shows where their features, integrations, deployment and company size fit differ.
FusionAuth is made by FusionAuth. Privakey SSO & IdS is made by Privakey. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
In part. FusionAuth and Privakey SSO & IdS are not in the same category on CybersecTools. Both cover SSO, MFA, Authentication. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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