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Updated May 2, 2026Databases Comparison

Convex vs Firebase Comparison

A detailed comparison of Convex and Firebase.

C

Convex

The reactive backend for web developers.

Primary Task

Reactive Backend

Pricing

Freemium

Key Features

  • Reactive Queries
  • TypeScript Backend
  • Realtime Sync
F

Firebase

App development platform backed by Google.

Primary Task

Backend as a Service

Pricing

Freemium

Key Features

  • Realtime Database
  • Auth
  • Hosting

At a Glance

FeatureConvexFirebase
Primary TaskReactive BackendBackend as a Service
Pricing ModelFreemiumFreemium
Founded20212011
Open Source
Database TypeMulti-modelMulti-model
Realtime
Built-in Auth
Self-HostableN/AN/A

Pros & Cons

C

Convex

Strengths

  • Real-time by default
  • End-to-end TypeScript
  • No API layer needed

Limitations

  • Vendor specific
  • Limited database control
  • Learning curve
F

Firebase

Strengths

  • All-in-one platform
  • Realtime by default
  • Google infrastructure

Limitations

  • Vendor lock-in
  • Complex querying
  • Cost spikes
Final Decision

The Verdict

Both tools are excellent. Here's how to choose the right one for your project.

C

Choose Convex

Best for

  • Strong Reactive Queries capabilities
  • Freemium pricing model
  • Reactive Backend workflows
F

Choose Firebase

Best for

  • Realtime Database focused projects
  • Freemium approach
  • Backend as a Service use cases

Frequently Asked Questions

What is the main difference between Convex and Firebase?

Convex is primarily a Reactive Backend, while Firebase is focused on Backend as a Service. The reactive backend for web developers. App development platform backed by Google.

Is Convex open source?

No, Convex is a commercial product with a freemium model.

Is Firebase open source?

No, Firebase is a commercial product with a freemium model.

Which is better for Databases?

It depends on your specific needs. Convex is often chosen for its reactive queries capabilities, while Firebase is popular for its realtime database features.