High-level comparison for European teams. Provider features, pricing, and contract terms can change and should be reviewed before purchase.
Last reviewed: March 2026. Public competitor information can change; verify plan details and legal terms before making a purchase decision.
The most important criteria for EU teams in direct comparison.
| Criterion | Tuurio ID DE / Managed |
Auth0 | Clerk | Keycloak | Kinde | Supabase | Zitadel | Ory |
|---|---|---|---|---|---|---|---|---|
| EU hosting | ✓ DE | EU option | US-only | Self-host | EU option | EU option | ✓ CH/EU | EU option |
| White-label | ✓ Full | Limited | ✗ | Manual | Limited | ✗ | Limited | Limited |
| Multi-tenancy | ✓ Built-in | ✓ | Orgs | Realms | ✓ | ✗ | ✓ | Limited |
| Passkeys | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ |
| Standard OIDC | ✓ | ✓ | SDK-focused | ✓ | ✓ | Limited | ✓ | ✓ |
| No lock-in | ✓ | SDK-heavy | Proprietary | ✓ | ✓ | Limited | ✓ | ✓ |
| Managed service | ✓ | ✓ | ✓ | Self-host | ✓ | ✓ | ✓ + Self | ✓ + Self |
| Fair pricing | from 39 EUR | expensive | MRU billing | OSS | MRU | Free tier | Free tier | MRU |
| NIS2 ready | ✓ | partial | ✗ | Self-host | ✗ | ✗ | partial | partial |
| Audit / revision-proofing | ✓ Export + evidence | Logs (retention by plan) | Audit logs (Enterprise; Business: coming soon) | Events available, setup needed | ✓ Audit log | Auth audit logs | ✓ Eventstore-based | ✓ Audit logs + event streams |
| Zero trust | ✓ Policies + MFA + tracing | Adaptive MFA / risk engine | Client trust + attack protection | Conditional flows | Cloudflare ZT integration | MFA + network restrictions | MFA/policies | ✓ Oathkeeper zero trust proxy |
Quick summary per provider for fast orientation.
Auth0 is strong in enterprise, but often expensive and complex. Tuurio ID focuses on EU hosting, white-labeling and predictable pricing for SMEs.
Read detail comparisonClerk has a strong React DX, but remains proprietary and US-centered. Tuurio ID is the OIDC and EU-focused alternative.
Read detail comparisonKeycloak is powerful, but operationally heavy. Tuurio ID offers the managed path with standards and no own DevOps stack for auth.
Read detail comparisonKinde delivers good DX and offers EU data residency as an option, but does not provide full end-to-end white-labeling like Tuurio ID.
Read detail comparisonSupabase Auth is part of a BaaS platform and not a dedicated IdP. Tuurio ID focuses on identity use cases like white-labeling and multi-tenant.
Read detail comparisonZitadel is a strong European open-source option. Tuurio ID differentiates with out-of-the-box white-labeling and managed operation.
Read detail comparisonOry is flexible and European. Tuurio ID scores with faster setup, white-label focus and lower integration effort for product teams.
Read detail comparisonAnswers for teams looking for the right identity provider.