Firebase Authentication is quick to set up — but it runs on Google infrastructure and falls under the US CLOUD Act. Tuurio ID gives you the same standard login, hosted in Germany and GDPR-compliant, with MFA, passkeys and real multi-tenancy included.
Firebase Authentication is a popular way to add login to web and mobile apps. But it runs on Google Cloud and, as a US provider, falls under the US CLOUD Act — even when your users sit in Europe. After Schrems II, that turns a convenient SDK into a growing data-protection liability for any service handling EU personal data.
Tuurio ID is a European identity provider hosted in Germany. You get the same standard OpenID Connect login your app already speaks, plus enforceable MFA, passkeys, multi-tenant isolation and white-label branding — all GDPR-compliant and backed by a data-processing agreement. No re-architecture: swap the provider, keep the OIDC flow.
Six reasons developers and product teams replace Firebase Authentication with an EU-hosted identity provider.
Hosting in a certified data center in Germany instead of Google Cloud under US jurisdiction — Schrems II-proof and backed by an Art. 28 GDPR data-processing agreement.
Enforceable MFA (TOTP, WebAuthn) and phishing-resistant passkeys are included and policy-driven — not a paid extension you have to wire up yourself.
One isolated tenant per customer with your own branding and domain — the multi-tenant model B2B SaaS needs, and something Firebase Authentication does not provide.
Tuurio ID speaks standard OpenID Connect and OAuth 2.0. You integrate with off-the-shelf libraries and can move on at any time — no proprietary SDK lock-in.
Clear plans with a generous free tier and no surprise overage billing as your monthly active users grow.
Organizations, roles, delegated and managed profiles, plus audit-ready operations — well beyond a basic user table.
How an EU-hosted identity provider compares to Firebase Authentication on the criteria that matter for European teams.
| Criterion | Firebase Auth | Tuurio ID |
|---|---|---|
| Hosting / data location | Google Cloud (US law) | Germany (EU) |
| GDPR / Schrems II | CLOUD Act exposure | compliant, DPA |
| MFA (TOTP / WebAuthn) | limited | included, enforceable |
| Passkeys | limited | included |
| Multi-tenant / white-label | no | yes |
| Standard OIDC / OAuth2 | partly proprietary | yes |
Last reviewed: June 2026. Public competitor information can change; verify plan details and legal terms before deciding.
A standard OIDC migration you can run in under a day, without losing your users.
Export your accounts from Firebase with the Admin SDK or CLI.
Create a Tuurio ID client and add your redirect URIs.
Password hashes aren't portable 1:1 — the first login securely resets them, invisibly to users.
Point your auth calls to Tuurio OIDC (PKCE), verify with a test tenant, then switch.
You only swap the provider — your app keeps speaking standard OIDC, and you gain everything Firebase Auth left out.