Skip to content
freetier.wiki

Firebase Realtime Database

A cloud-hosted NoSQL database for building real-time, collaborative applications with automatic data synchronization. · Google Cloud · Database

Overview

Firebase Realtime Database provides a simple, scalable NoSQL backend for apps needing live data updates, ideal for rapid prototyping and learning.

Good fit

Use when you need real-time data sync for web or mobile apps with minimal backend setup.

  • prototyping
  • student projects
  • MVPs
  • real-time apps

Not a fit

Avoid if you require complex queries, large-scale commercial use, or need SQL-like relational features.

  • enterprise-scale
  • complex querying
  • strict compliance needs
Quickstart · 5 steps
  1. Create a Firebase project at the Firebase Console.
  2. Add Firebase Realtime Database to your project.
  3. Configure database rules for your use case.
  4. Integrate the Firebase SDK into your app.
  5. Read and write data using the provided API.

Other free database options

Google Cloud · Database
50,000 reads/day · 20,000 writes/day · 20,000 deletes/day
Billing risk: None
No card
MongoDB · Database
512 MB storage (M0 cluster) · Shared RAM and vCPU · 32MB of sort memory
Billing risk: None
No card
Supabase · Database
500 MB database & 1 GB file storage · 50,000 monthly active users · 500,000 edge function invocations/month
Billing risk: None
No card
Supabase · Database
500 MB database storage · 1 GB file storage · 50,000 monthly active users
Billing risk: None
No card