Building Chattr for Android: A Social Platform for the Twitch Community

I have been building Chattr, a social platform designed specifically for Twitch streamers and their communities. Think of it as a Twitter-like feed built on top of the Twitch identity layer -- where posts can include clips, polls, stream announcements, and custom reactions using Twitch emotes. After months of development, the Android version is now in closed beta , and I am looking for testers to help put it through its paces.

This post covers the stack I chose, some of the interesting problems I ran into along the way, and lessons learned shipping a cross-platform native app with real money moving through it.

The Stack

Chattr is built with React Native 0.85 + React 19 and written entirely in TypeScript.…