Supabase Auth vs Keycloak
Learn how Supabase Auth and Keycloak differ in their key features like authentication, enterprise auth, security, user management and compliance, so you can decide which of these authentication providers is best for you.
Supabase Auth
Keycloak
Feature Comparison
Both tools offer comparable feature coverage, with Keycloak supporting 30 features and Supabase Auth supporting 29. Consider your specific needs regarding authentication, enterprise auth, security, user management and extensibility when making your decision. Keycloak fully covers authentication and machine to machine (m2m) authentication and more.
Supabase does not offer built-in passkey authentication but offers a third‑party integration with Corbado to support Passkeys
User sessions are long‑lived by default and can be time‑boxed or configured with inactivity timeouts on paid plans
Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods
Supabase lets developers control session duration, enforce inactivity timeouts and revoke sessions through the Admin API
Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console
The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles
| Supabase Auth | Keycloak | |
|---|---|---|
Supabase does not offer built-in passkey authentication but offers a third‑party integration with Corbado to support Passkeys | ||
User sessions are long‑lived by default and can be time‑boxed or configured with inactivity timeouts on paid plans | Session idle and max lifespans and offline sessions can be adjusted to keep sessions alive for longer periods | |
Supabase lets developers control session duration, enforce inactivity timeouts and revoke sessions through the Admin API | Admins can view and revoke user and client sessions, sign out all sessions, and configure session lifespans in the admin console | |
The UI is internationalized. Administrators can enable multiple languages and users can choose their language at login or in the account/admin consoles |
Compliance Comparison
Supabase Auth offers significantly broader coverage than Keycloak, supporting 3 certifications and regulatory frameworks compared to 0 for Keycloak. Since Keycloak is open source and does not include compliance certifications, you’ll need to manage compliance yourself.
GDPRCompliant
HIPAACompliant
SOC2Compliant| Compliance | Supabase Auth | Keycloak |
|---|---|---|
| GDPRCompliant | ||
| HIPAACompliant | ||
| SOC2Compliant |
