I joined Expo.
Originally published on expo.dev/blog by Seth Webster. I recently joined Expo as Chief Developer Evangelist while I continue to serve as Executive Dir…
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Building React Native Shouldn't Feel Like Assembling IKEA Furniture: A Modern Monorepo Starter Kit
"I just want to build my app." That sentence sounds simple. But if you've ever started a new React Native project, you know that is rarely what actual…
40 React Native Devs on What They Wish Their Boilerplate Fixed
I asked ~40 indie React Native devs one question: "What do you wish your boilerplate did differently?" Three wishes dominated: less opinionated naviga…
Wiring Designers Into Your EAS Preview Loop
TL;DR Figma reviews miss everything that's a function of the real device — touch targets, scroll momentum, keyboard behavior, font substitution, dark-…
5 proven strategies to increase adoption of your B2B mobile app
Originally published on expo.dev/blog by Dan Kelly. B2B mobile apps face a different challenge than consumer apps. You're not competing for attention …
Six Lines, Zero API Calls: Running LLMs On-Device in React Native
Every AI feature I've worked on has done the same quiet thing: collect the user's text, send it to someone else's server, pay per token, and pray the …
Kotlin Compiler Plugin Cuts Android Startup Time by 30% in Expo SDK 56
Expo SDK 56 ships with a custom Kotlin compiler plugin that eliminates reflection from Expo Modules on Android. The result: 70% faster module initiali…
Why You Should Drop @expo/vector-icons for React Native Vector Icons
Switching from @expo/vector-icons to React Native's official icon packages can cut your bundle size by 4MB or more. Here's how to make the change and …
Expo's MCP Server is Now Free - Connect Your AI Assistant to Expo Projects
The Expo MCP Server dropped its paywall. Anyone with an Expo account can now hook up their AI coding assistant to Expo docs and tools. Previously, you…
Expo Router v56 Ships SSR and Breaks Free from React Navigation
Expo Router just made its biggest change since launch. Version 56 forks from React Navigation, adds streaming server-side rendering, and gives Android…
Write Swift and Kotlin directly in your React Native app with Expo SDK 56
Working with native code in React Native usually involves creating separate packages and manually maintaining TypeScript interfaces. Expo SDK 56 chang…
Building LifeFast: A Solo Founder's Deep Dive into Fasting App Architecture
There's a specific kind of frustration that comes from using a health app that feels like it was built by engineers who've never actually used it. The…
Control SwiftUI and Compose State Synchronously with Worklets in Expo UI
React Native developers have long dealt with the friction of bridging JavaScript with native UI threads. Every time you need to update native state, y…
Expo SDK 56
Originally published on expo.dev/changelog By Alan Hughes, Brent Vatne Today we're announcing the release of Expo SDK 56. SDK 56 includes React Native…
How to keep your OTA updates lean and fast
Originally published on expo.dev/blog by Jacob Clausen. Have you ever shipped a critical fix to your entire user base within minutes of merging the PR…
Build a Fitness Wearable Companion App with React Native (HealthKit + Health Connect)
You bought a smartwatch. Within a week, you stopped checking the watch face. The dashboard, the streaks, the weekly chart — all of that lives on the p…
I built my own IAP backend instead of using RevenueCat — what 3 weeks of pain taught me
I'm shipping a subscription-based React Native app and went through the "do I use RevenueCat or roll my own?" question that probably every solo RN dev…