I shipped an alpha notes app where the home screen is the capture field
Miniout is a university notes/tasks app. UI is Spanish-only for now. The idea: you should not pick a folder in the middle of a lecture. Write first;…
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Why your App Tracking Transparency prompt doesn't show up (and how it got my app rejected)
App Review rejected my iOS app under Guideline 2.1. The note said reviewers were unable to locate the App Tracking Transparency permission request w…
Supporting Language Switching for Date Formats, Not Just Text, with i18next
This article is an English translation of the original Japanese article. After introducing i18next to a React Native app, dates like 7月24日(金) remain…
Build vs Buy: What Founders Get Wrong About Templates
Every week a founder DMs me the same question: "Should I build my React Native app from scratch or buy a template?" Here's the framework I use to an…
How much to share in a monorepo when building common features for web and mobile
This article is an English translation of the original Japanese article. When I added an Expo app to an existing Next.js web service, I initially wa…
The Crash JavaScript Couldn't Catch: Fixing Android Native Crashes in a React Native App
Our React Native app has one job that can't fail: know where the truck is. Truxo Tracker is the driver app for truxo.ai . Drivers accept freight loa…
Opening Web Invite Links Directly in the App with Expo Router
This article is an English translation of the original Japanese article. In my club management app, I use the following invite URL for both web and…
Life After CodePush: Choosing an OTA Update Strategy for React Native in 2026
Microsoft retired the hosted Visual Studio App Center service on March 31, 2025. That included the managed service many React Native teams knew thro…
Handling Notification Taps in expo-notifications: Launch vs. Runtime
This article is an English translation of the original Japanese article. When a user taps a push notification, the entry point differs depending on…
React Native i18n in 2026: A Practical Expo Router Playbook
If your React Native app only speaks English, you're leaving ~75% of smartphone users on the table. Here's the modern stack for shipping a multiling…
Migrating an Expo app from Japanese to multi-language support in stages
This article is an English translation of the original Japanese article. I migrated an Expo app from Japanese only to Japanese, English, and Simplif…
Why My Expo Router App Froze on the Splash Screen After a Cold-Start Notification Tap
This is an English translation of my original article on Qiita . My Expo app occasionally stayed on the splash screen when it was launched by tappin…
How I Fixed an Expo SDK 54 Android Build with SDK 55 Packages Mixed In
This is an English translation of my original article on Qiita . An Android build failed in an Expo SDK 54 app. The project still used Expo SDK 54,…
Shipping an Expo app to the App Store: the landmines nobody warns you about
I recently shipped Add to Calendar: AI Events — an iOS app that turns screenshots and text into calendar events — built with Expo SDK 52 and React N…
The 4 Notification Categories Users Actually Whitelist (Based on 60 App Interviews)
Users whitelist only four notification categories: someone they know did something involving them, a thing they explicitly set up, a transaction the…
Яндекс.Карты в Expo в 2026: поддерживаемый нативный SDK
Если вы делаете приложение на React Native / Expo и вам нужны Яндекс.Карты , вы наверняка столкнулись с проблемой: у Яндекса есть официальный…
Как завернуть коммерческий биометрический SDK в React Native: разбор на примере MyID
Если вы делаете мобильный банкинг, финтех или госсервисы для узбекского рынка, рано или поздно вы столкнётесь с MyID — национальной системой биометр…
One backend, three environments: the 4 KiB limit that redesigned my EAS setup
Three build profiles, three backends. My Expo app's development build should talk to my local sandbox, preview to the dev branch, and production to…
Error Analysis
To learn how to analyze an error, we are going to use the error below as an example: nx run mobile : android ✔ 7 / 7 dependent project tasks succeed…
How I Built a Block Puzzle Game with React Native and Expo
How I Built a Block Puzzle Game with React Native and Expo A few weeks ago, I launched my first mobile game — a block puzzle called Blockbeam. It's…
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 D…
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 actu…
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 navi…
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, dar…
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 attentio…
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 th…
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 initia…
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 an…
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, y…
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 Andro…