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 Nat…
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Building Knowzup: Architecting a True Multimedia Q&A App as a Solo Developer in React Native
Building Knowzup: Architecting a True Multimedia Q&A App as a Solo Developer in React Native How I built a cross-platform community knowledge hub …
From Learning to Implementation: My Journey with Firebase Analytics & GA4
Over the past few weeks, I've been focused on deepening my understanding of mobile analytics—not just by completing a course, but by putting those con…
Firebase Analytics in React Native — Complete Implementation Guide
Analytics is one of the most valuable tools you can add to a mobile application. While building features is important, understanding how users interac…
React Native List Performance — ScrollView, FlatList, SectionList, FlashList
Your feed scrolls fine with 20 items. Ship 2,000 and the UI starts hitching, memory climbs, and “just wrap it in a ScrollView ” becomes the bug report…
719 React Native Interview Questions and Answers — 2026 Edition
React Native interviews are no longer limited to components, props, and styling. Modern interviews also test JavaScript execution, React behavior, nat…
Synchronous TurboModules Are Not Automatically Fast
React Native’s New Architecture gives JavaScript more direct access to native functionality. One important capability is synchronous communication thr…
The Complete Guide to Biometric Authentication in React Native
In today's mobile-first world, users expect authentication to be both secure and effortless. Typing passwords every time an app is opened not only imp…
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…
Building PathFindr: An AI-Powered Campus Navigation App with Expo and Sarvam AI
Navigating a large university campus can be overwhelming, especially for new students, visitors, and even returning students attending classes in unfa…
Why React Native Is the Better Choice for AI Product Engineering in FinTech (And the Companies Building It Best)
AI is everywhere in fintech right now. Banks are deploying AI copilots, payment companies are automating fraud detection, lenders are using predictive…
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…
Bringing React Native Style Composition to React
Fluentic is my attempt to make React styling feel explicit, composable, and predictable again. Years ago, I worked on web apps with Emotion, and I lov…
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 …
Why Module Federation in React Native
The short version: Module Federation lets a React Native app load its features at runtime, so each one can be deployed and updated on its own instead …
Lesson 1.3 - GraphQL for Screen Complexity and App Changes
Good morning, class! Welcome back. In our last lesson, we explored how GraphQL fundamentally addresses the issues of over-fetching and under-fetching.…
Lesson 1.2 - REST Problems and the First GraphQL Fixes
Good morning, everyone! Welcome back. In our previous lesson, we compared REST and GraphQL at a high, architectural level. Today, we are going one lay…
How I Built KisanX — A Full-Stack Agricultural Marketplace
How I Built KisanX — A Full-Stack Agricultural Marketplace (MERN + PHP + React Native) By Saniya Farooqui | Full-Stack Developer | Mumbai The Problem …
Stop Declaring Tools Dead — lucide-react is Still Fine
Every few months, a post goes viral: "Please stop using [perfectly good tool]." This time it's lucide-react. And honestly? The take is lazy What's the…
I abandoned my campus app 3 years ago. The Finish-Up-A-Thon made me fix it
This is a submission for the GitHub Finish-Up-A-Thon Challenge What I Built CampusBeat 2.0 — a React Native campus super-app for students across 17 co…
Expo SDK 54's precompiled XCFrameworks cut our iOS build from 14 min to 4
Our fitness kit's iOS build used to take 14 minutes on CI. After upgrading to Expo SDK 54, it takes 4. That's not a CI optimisation. We didn't add par…
This Week In React #284 : TanStack Start, Compiler, React Router | App.js, Gesture Handler, SPM, Expo | npm, Node.js, Astro
Hi everyone, Kacper and Filip from Software Mansion here. This week, TanStack Start is once again in the spotlight. The React Compiler in Rust is on i…
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…
How Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo Router
You tap Record. You nail the take. You save as Draft. You close Instagram, reopen it — and your Reel is right there. What just happened under the hood…
Building a Native QR/Barcode Scanner for React Native — New Architecture Ready
Most QR scanner libraries for React Native share the same problems — they're unmaintained, they don't support the New Architecture, or they pull in a …
The Death of the React Native Bridge: Moving from JSON to JSI in 2026
What is the Native Bridge? The React Native Bridge is a communication layer that allows the JavaScript thread and the Native threads (iOS/Android) to …
I Built 4 Real Mobile Apps With No Coding Background — Here's the Exact Workflow
I quit learning to code three times. Not because I wasn't motivated. I had app ideas I genuinely wanted to build. I bought courses, watched tutorials,…
This Week In React #283: TanStack, RSC, Liquid DOM, Performance| Expo, Reanimated, worklets, NativeScript | TC39, npm, pnpm, Node.js
Hi everyone, Seb and Jan here 👋! This week we have great deep dive blog posts about data fetching (TanStack vs Next.js) and performance (GitHub and Li…
Our first app is finally live on the Play Store after 4 months of hard work
Hey everyone 👋 After 4 months of development, testing, redesigns, debugging, deployment issues, and lots of learning — we finally launched our first a…
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…