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Offline-First in React Native: Building an Auto-Sync Engine That Users Never Think About

By Shivkrishna Shah · Engineer Philosophy — @shivkrishnashah · @engineerphilosophy Your app shouldn't have a "no internet" screen. Here's the archit…

reactnativeofflinefirstmobilearchitecturesyncengine
Dev.to Aug 27, 2026, 06:13 UTC
EN

How We Keep a Trunk-Based Pipeline From Being Reckless

Part 1 covered the mechanism: a fingerprint gate decides whether a change ships in minutes over-the-air or needs a full store release. But a gate th…

reactnativecicdtestingfeatureflags
Dev.to Aug 25, 2026, 18:52 UTC
EN

You Secured the App. Who's Securing You? (The React Native Developer's Security Guide)

(Work in progress — same as the project it's about. More on that below) Almost everything written about React Native security is about protecting yo…

reactnativemobiledevsec
Dev.to Aug 25, 2026, 18:09 UTC
EN

I put a 45M-parameter LLM on a phone. It was 100% confident about a number it invented.

The model returned 1230.0 . The input said 560.00 . Confidence: 1.0000 . Not 0.6. Not "uncertain." One point zero, with a written rationale explaini…

reactnativeandroidaiopensource
Dev.to Aug 25, 2026, 08:33 UTC
EN

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;…

reactnativeexpoopensourceandroid
Dev.to Aug 23, 2026, 22:54 UTC
EN

Loupe: a debug overlay that lives inside your React Native app

The last bug I chased in a React Native app only showed up on a real device, on cellular, in a TestFlight build. So I plugged the phone in, opened a…

debuggingmobilereactnativeshowdev
Dev.to Aug 21, 2026, 01:00 UTC
EN

How I built an AI movie tracker as a solo dev

I am a full-stack developer in the Netherlands, a bit over ten years in. For the last year my evenings have gone into one side project: I Like Movie…

aigographqlreactnative
Dev.to Aug 21, 2026, 00:24 UTC
EN

Kryptix: A Truly Offline Password Manager Built for People Who Don’t Trust the Cloud

Most password managers today are cloud-first products wearing a privacy costume. You create an account. You sync. You trust a company, their servers…

privacysecuritypasswordreactnative
Dev.to Aug 20, 2026, 22:27 UTC
EN

Flutter vs React Native in 2026: A Technical Comparison

If your mental model of this debate is still "Flutter is fast, React Native is laggy because of the bridge" — that's a 2022 take. Both frameworks we…

flutterreactnativemobiledevprogramming
Dev.to Aug 19, 2026, 06:24 UTC
EN

Why programmatic inserts don't wrap on iOS multiline TextInput, and the one-line native fix

Ran into this last week on a multiline TextInput and lost a chunk of a day to it. Writing it up in case someone else hits the same thing. The bug I'…

reactnativeiosdebugging
Dev.to Aug 16, 2026, 19:43 UTC
EN

Tired of broken React Native environments? I built a CLI to fix that

If you've worked with React Native long enough, you know the drill: everything worked fine yesterday, but today your project won't build because of…

reactnativejavascriptopensourcedevtool
Dev.to Aug 16, 2026, 14:23 UTC
EN

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…

iosreactnativeexpomobile
Dev.to Aug 16, 2026, 06:12 UTC
EN

Why Modern Banking Apps Need a Different Architecture: 5 Companies Worth Watching

Banking apps have become one of the most demanding categories of software to build. Customers expect transactions to feel instant. Product teams wan…

reactnativefintechbankingsoftwaredevelopment
Dev.to Aug 12, 2026, 05:16 UTC
EN

Ad-Hoc distribution vs TestFlight in React Native — a practical comparison

If you're testing an iOS build with real devices, you've got two main paths: Apple's TestFlight, or Expo's EAS Preview using Ad-Hoc provisioning. Th…

iosmobilereactnativetesting
Dev.to Aug 12, 2026, 03:50 UTC
EN

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…

i18nextreactnativeexpotypescript
Dev.to Aug 11, 2026, 00:02 UTC
EN

Polyfills, Shims, and Native Modules: Lessons from Building a React Native Crypto Wallet

Preface: This article is about my experience building a crypto mobile wallet back in 2021. Intro Building a crypto wallet in React Native is a maste…

reactnativecryptocurrencycryptoweb3
Dev.to Aug 10, 2026, 16:44 UTC
EN

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…

reactnativeexposupabasestartup
Dev.to Aug 10, 2026, 07:10 UTC
EN

Upgrading React Native 0.76 0.86 Without Losing a Month

A four-hop incremental strategy, the bugs that only show up in release builds, and an honest look at what an AI assistant is actually good for. Ten…

javascriptmobilereactnativesoftwaredevelopment
Dev.to Aug 9, 2026, 12:14 UTC
EN

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…

reactnativeandroidexpodebugging
Dev.to Aug 6, 2026, 05:54 UTC
EN

Snap a Dish, Get a Recipe: Building GraceSoft DishLens Solo

This week the recording of GraceSoft CMS's "vibe coding" series is on pause. Something more exciting pulled my attention: my first venture into mobi…

aiopsreactnativewebdevbuildinpublic
Dev.to Aug 5, 2026, 06:15 UTC
EN

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…

expoexporouteruniversallinksreactnative
Dev.to Aug 5, 2026, 00:08 UTC
EN

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…

reactnativeexpomobileopensource
Dev.to Aug 4, 2026, 22:55 UTC
EN

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…

exporeactnativepushnotificationsexporouter
Dev.to Aug 4, 2026, 01:03 UTC
EN

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…

reactnativeexpoi18njavascript
Dev.to Aug 3, 2026, 07:35 UTC
EN

How to Inspect AsyncStorage, MMKV, and SQLite in React Native

A surprising number of React Native bugs come from persisted state. An old token, a stale cache, a feature flag that was never cleared, or a SQLite…

reactnativemobiledevtoolssqlite
Dev.to Aug 3, 2026, 04:16 UTC
EN

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…

exporeactnativei18ntypescript
Dev.to Aug 3, 2026, 01:04 UTC
EN

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…

exporeactnativeexporouternotifications
Dev.to Aug 1, 2026, 23:56 UTC
EN

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,…

exporeactnativeandroideas
Dev.to Aug 1, 2026, 03:00 UTC
EN

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…

reactnativeexpoiosmobile
Dev.to Jul 31, 2026, 20:14 UTC
EN

This Week In React #292 : Octane, TanStack, StableRef, Next.js | Workers, SafeAreaView, backgroundImage, WebGPU | TC39, Web Vitals

Hi everyone, Seb and Jan here 👋! This week we have an interesting React challenger, keeping its mental model but compiled ahead of time. Also variou…

reactreactnative
Dev.to Jul 31, 2026, 16:03 UTC

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