tech from europe
vsFirebase

Kuzzle Backend vs Firebase

Last updated November 2026

Looking for a European alternative to Firebase? Here's how Kuzzle Backend compares, on EU hosting, GDPR and what it does.

Our pick for a European buyer: Kuzzle Backend. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.

Kuzzle Backend
Firebase
What it is
Open-source backend for real-time IoT and data apps
not established
Headquarters
🇫🇷 FR
No
EU data residency
not established
not established
DSGVO / GDPR
No
not established
Certifications
No
not established
Price from
€500/mo
not established
Free plan
Yes
not established
Open Source
Yes
not established
Ratings
No
No
Integrations
MQTT, WebSocket, REST API, JavaScript SDK, Node.js SDK +3
not established

We have not yet completed our own research on Firebase; rows above show only what we can evidence. Check the vendor for specifics.

Where each one wins

Kuzzle Backend

Strengths

  • +Reduces development time by providing a ready-to-use backend
  • +Allows focus on unique features instead of reinventing standard backend components
  • +Offers serverless infrastructure for backend management

Limitations

  • −Limited user reviews make it hard to gauge real-world performance
  • −Lacks broad market adoption compared to alternatives

Firebase

Review sentiment not yet compiled.

Data residency & compliance

Kuzzle Backend
Firebase
EU data residency
not established
not established
Transfer mechanism
not established
not established
DPA
not established
not established
Sub-processors
not established
not established
Certifications
No
No

Pricing

Kuzzle Backend

  • Open Source Free self-hostedNo hosting fees · Community edition · Downloadable for free
  • Starter €500/month per deployment2-business-day response time · JIRA ticketing · For small to medium deployments
  • Business €1,000/month per deployment1-business-day response time · Slack integration · For growing organizations
  • Premium On request per deployment4-hour response time · Priority dedicated support · For enterprise deployments

Enterprise pricing requires contacting sales.

Firebase

No published pricing we could verify.

Features

Kuzzle Backend

Real-time data processing
MQTT protocol support for IoT devices, WebSocket protocol for real-time applications, HTTP/REST API for standard clients, Push and pull ingestion modes for sensor data
Architecture & scalability
Cluster mode for distributed deployments, Multi-protocol API (MQTT, WebSocket, HTTP), Extensible via plugins or microservices
Development & integration
SDKs for JavaScript, Node.js, C#, Go, Open-source framework for custom extensions, Drag-and-drop app builder interface
Enterprise support
JIRA ticketing for Starter tier, Slack integration for Business tier, Priority dedicated support for Premium tier

Firebase

Feature breakdown not yet compiled.

See Kuzzle Backend →More Firebase alternatives