Firebase Alternative in Europe (2026 Guide)

If you're building a SaaS, mobile app, or side project in 2026 and you're based in Europe — or you're simply trying to stay GDPR-compliant — using Firebase comes with real risks. Google's backend-as-a-service stores data on US servers and is subject to US surveillance law (FISA 702, CLOUD Act). That makes it a compliance liability for EU-based businesses and anyone serving EU users.

The good news: there are excellent EU-built and EU-hosted alternatives that match Firebase feature-for-feature, often at lower cost.

What Firebase actually gives you

Before looking at alternatives, it's worth listing what Firebase bundles:

• Authentication — email/password, OAuth, magic link, phone
• Firestore / Realtime Database — NoSQL document storage with live subscriptions
• Cloud Storage — file uploads and serving
• Cloud Functions — serverless backend logic
• Hosting — static site and SPA hosting with CDN

EU alternatives typically split these concerns into composable services, which is actually a better architecture for production apps.

Top EU-hosted Firebase alternatives

Supabase (EU region)

Supabase is the most Firebase-like replacement. It ships Postgres (relational, not NoSQL), row-level security, realtime subscriptions, auth, storage, and edge functions — all open source and self-hostable. Supabase offers an EU-hosted cloud region (Frankfurt) and is GDPR-compliant by default.

Best for: teams already comfortable with SQL, or anyone migrating from Firestore who wants stronger data guarantees.

Pocketbase

Pocketbase is a single-binary open-source backend: embedded SQLite, auth, file storage, and a real-time API. You host it on any VPS in Europe. No external dependencies, no US cloud.

Best for: indie developers and solo founders who want zero vendor lock-in and full data sovereignty on a €5/month server.

Hetzner + self-hosted stack

Hetzner Cloud (headquartered in Germany) is the low-cost EU infrastructure layer. Pair it with:

• Supabase (self-hosted) or Pocketbase for the backend
• Bunny.net (Netherlands) for CDN and storage
• Plausible Analytics (Estonia) replacing Firebase Analytics

This stack costs a fraction of Firebase at scale and keeps everything in EU jurisdiction.

GDPR considerations when switching

When migrating away from Firebase, ensure:

1. Data residency — explicitly configure your new provider's EU region; don't assume it defaults to Europe.
2. DPA (Data Processing Agreement) — sign a DPA with your new provider. EU-based providers make this straightforward.
3. Existing data — export Firestore data as JSON and import into Postgres/SQLite. The schema migration is the main effort.
4. Auth migration — Firebase Auth does not export password hashes. Plan a "re-verify on first login" or password reset flow for existing users.

Summary

If you're starting a new project today, Supabase on the Frankfurt region is the closest drop-in replacement. If you want maximum control and don't mind self-hosting, Pocketbase on a Hetzner VPS is the indie developer's best option.

Frequently asked questions

Is Firebase GDPR compliant?

Firebase is not GDPR compliant by default for EU businesses. Google processes Firebase data on US-based infrastructure and under US jurisdiction. While Google offers a Data Processing Agreement for Firebase, the fundamental issue remains: data stored with a US-owned provider is subject to the CLOUD Act and FISA 702, allowing US authorities to compel disclosure regardless of where the data is physically stored. For EU companies, this creates ongoing compliance risk that an EU-native backend avoids entirely.

Can I use Firebase in Europe?

Technically yes, but with significant caveats. Firebase does not offer a fully EU-restricted data region across all its services. Firestore can be configured to a European location (Belgium or the Netherlands), but Firebase Authentication, Firebase Hosting, and several other Firebase services still route through US-based infrastructure. For strict GDPR compliance or data sovereignty requirements, an EU-native backend is the cleaner choice.

What is the best open-source Firebase alternative for EU developers?

Supabase and Pocketbase are the two leading open-source Firebase alternatives for EU developers:

• Supabase offers a fully managed Postgres-based backend with an EU cloud region (Frankfurt, Germany). It matches Firebase feature-for-feature: auth, database, storage, realtime, and edge functions. Best for teams that want a managed service with EU data residency.
• Pocketbase is a single binary you self-host on any EU VPS. It includes auth, SQLite database, file storage, and a realtime API. Best for indie developers who want zero vendor lock-in and complete data sovereignty at minimal cost.

How hard is it to migrate from Firebase to Supabase?

The main migration effort is the data schema. Firestore uses a NoSQL document/collection model; Supabase uses relational PostgreSQL. You will export your Firestore data as JSON, then map it to Postgres tables — the schema design is the bulk of the work. For Auth migration, Firebase does not export password hashes, so you will need a "reset password on first login" flow for existing users. Most teams complete the migration in one to two development sprints. Supabase provides official migration guides and a Firestore-to-Supabase import tool to accelerate the process.

Is Pocketbase production-ready?

Yes. Pocketbase has been in active development since 2022 and is used by thousands of production applications. Its embedded SQLite database is well-suited for read-heavy workloads and applications up to millions of records. For write-heavy or very large datasets, Supabase (with Postgres) is a better fit. Pocketbase's single-binary deployment model makes it exceptionally reliable — there are no external database connections or services to manage.

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