Skycloak Platform vs Supabase Auth
How the Skycloak Platform and Supabase Auth by Supabase Inc. compare on price, hosting, data residency and features. The Skycloak Platform is Skycloak's own multi-tenant sign-in engine, free up to 25,000 monthly active users.
Side by side
Prices are in US dollars, as each product lists them. A Skycloak Platform feature reads Available once it has shipped and Planned until then.
| Supabase AuthSupabase Inc. | Skycloak PlatformSkycloak | |
|---|---|---|
| Price at 1,000 monthly active users | $25 a month on Pro$25 base plus 0 overage: Pro includes 100,000 MAU and $10 of compute credits that cover one Micro instance. Free covers 50,000 MAU but pauses after 1 week of inactivity. | $0 a month on Free |
| Price at 10,000 monthly active users | $25 a month on Pro$25 base plus 0 overage: Pro includes 100,000 monthly active users. | $0 a month on Free |
| Price at 25,000 monthly active users | $25 a month on Pro$25 base plus 0 overage: Pro includes 100,000 monthly active users. | $0 a month on Free |
| Price at 50,000 monthly active users | $25 a month on Pro$25 base plus 0 overage: Pro includes 100,000 MAU, then $0.00325 per MAU. SAML SSO users are billed apart: 50 included, then $0.015 per MAU. | $499 a month, billed yearly, on Scale |
| Hosting | Cloud, Self-hostedSupabase Cloud is the hosted platform. The open source stack can also be self-hosted with Docker. | Cloud |
| Data residency | US, CA, EU, UK, CH, IN, SG, JP, KR, AU, BREach project is deployed to one chosen AWS region, which sets where its primary data is stored. | US, EU |
| Passkeys | AvailableSupabase marks passkey support as experimental and requires an explicit opt-in in the client. | Planned |
| Multi-factor authentication | AvailableBasic MFA is on every plan. Phone MFA costs $75 a month for the first project on Pro and above. | Planned |
| Enterprise SSO (SAML) | Available on ProSAML 2.0: 50 SSO MAU included, then $0.015 per MAU. | Planned |
| SCIM provisioning | Not offeredThe enterprise SSO docs describe SAML sign-in only and document no SCIM provisioning endpoint. | Planned |
| Organizations for B2B customers | Not offeredThere is no built-in organization object; the docs show modelling tenants in your own tables with row level security. | Planned |
| Role-based access control | AvailableBuilt from custom claims added by an access token hook and enforced with row level security policies. | Planned |
| Custom domain | Available on ProAdd-on at $10 per domain per month per project. | Planned |
The verdict
At 50,000 monthly active users, Supabase Auth costs $25 a month on Pro and the Skycloak Platform costs $499 a month, billed yearly, on Scale.
Supabase Auth has shipped 5 of the 7 features compared here; the Skycloak Platform has shipped none of them yet and has all 7 planned.
Choose Supabase Auth if you need passkeys, multi-factor authentication, enterprise SSO (SAML), role-based access control and custom domain in production today.
The Skycloak Platform is not the cheaper option at that size, so weigh the full table before you choose.
Sources
Every Supabase Auth fact on this page was read on one of these pages, on the date shown. Prices and plans change, so check the vendor's page before you decide.
- https://supabase.com/docs/guides/api/custom-claims-and-role-based-access-control-rbac, checked October 28, 2026
- https://supabase.com/docs/guides/auth/enterprise-sso/auth-sso-saml, checked October 28, 2026
- https://supabase.com/docs/guides/auth/passkeys, checked October 28, 2026
- https://supabase.com/docs/guides/platform/regions, checked October 28, 2026
- https://supabase.com/docs/guides/self-hosting, checked October 28, 2026
- https://supabase.com/pricing, checked October 28, 2026