Realtime Chat App

A mobile realtime chat application built with Expo and InstantDB for live message syncing without a traditional backend.

Tech Stack

• Framework: React Native (Expo)
• Realtime Sync: InstantDB
• Language: TypeScript

Why InstantDB

InstantDB handles realtime data sync at the client level, eliminating the need for a separate WebSocket server. Messages appear instantly across all connected clients without polling.

Setup

git clone https://github.com/biswajeetdev/realtime-chat-app
cd realtime-chat-app
npm install
npx expo start

Add your InstantDB app ID to .env.local using .env.local.example as reference.