Google Firestore
By Google Cloud / Firebase
Google Firestore is a fully managed, serverless Document Database from Google Cloud and Firebase that stores data as JSON-like documents organized into collections, with real-time synchronization to connected clients.
Definition
Google Firestore is a fully managed, serverless Document Database from Google Cloud and Firebase that stores data as JSON-like documents organized into collections, with real-time synchronization to connected clients.
Overview
Firestore is the successor to the original Firebase Realtime Database, redesigned to offer richer querying, better scalability, and stronger consistency guarantees while keeping Firebase's signature real-time sync: client applications can subscribe to a document or query and receive live updates whenever the underlying data changes. Data in Firestore is organized into collections of documents, with support for nested subcollections, compound queries, and offline persistence on mobile and web clients — features that make it especially popular for mobile app backends built with the broader Firebase platform alongside authentication and hosting. Firestore competes with other managed document and mobile-friendly databases such as Amazon DocumentDB and Couchbase Mobile, and pairs naturally with React Native or Flutter applications wanting real-time data sync without managing backend infrastructure.
Key Features
- Real-time listeners that push live updates to connected clients
- Automatic offline persistence and sync for mobile/web apps
- Collections and subcollections for hierarchical document organization
- Compound queries with indexing across multiple fields
- Serverless scaling with no infrastructure to manage
- Tight integration with Firebase Authentication and Hosting