1Kosmos Identity-Backed Biometrics vs ZITADEL: Side-by-Side Comparison (2026)

1Kosmos Identity-Backed Biometrics: Biometric authentication platform with identity verification and passwordless access. built by 1Kosmos. Core capabilities include FIDO2 certified biometric authentication, iBeta certified liveness detection, Multi-modal biometric support (fingerprint, facial, iris, voice)..

ZITADEL: Open-source, multi-tenant identity platform for authn, authz, and SSO. built by ZITADEL. Core capabilities include Hosted login page with customizable branding, Multi-factor authentication (MFA) enforcement, Passwordless authentication via Passkeys..

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

1Kosmos Identity-Backed Biometrics differentiates with FIDO2 certified biometric authentication, iBeta certified liveness detection, Multi-modal biometric support (fingerprint, facial, iris, voice). ZITADEL differentiates with Hosted login page with customizable branding, Multi-factor authentication (MFA) enforcement, Passwordless authentication via Passkeys.

1Kosmos Identity-Backed Biometrics is developed by 1Kosmos. ZITADEL is developed by ZITADEL. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1Kosmos Identity-Backed Biometrics and ZITADEL serve similar Multi-Factor Authentication and Single Sign-On use cases: both are Multi-Factor Authentication and Single Sign-On tools, both cover Authentication. Review the feature comparison above to determine which fits your requirements.