All Articles
Rork-Specific 'expo start --offline forbidden': Four Causes in Rork's Template Config
When expo start --offline returns 'forbidden' specifically on a Rork-generated project, the cause is usually Rork template config: tsconfigPaths, an un-generated expo-router cache, native prebuild, or a lockfile mismatch. Four Rork-specific fixes; the generic Expo proxy and dependency-validation guide is covered separately.
Auditing Privacy Manifests for Rork-Generated Expo Apps — A One-Day Pre-Submission Workflow for Indie Developers
A pre-submission workflow for indie developers shipping Rork-generated Expo apps. Walks through how to enumerate every dependency, detect missing PrivacyInfo.xcprivacy files, and ship without ITMS-91053 rejections — based on twelve years of personal app development.
Three Weeks Triaging Crashlytics Velocity Alerts With Claude in Chrome
I spent three weeks letting Claude in Chrome open Firebase and triage Crashlytics Velocity Alerts for my wallpaper app. Here is what actually got easier, and what still needs human judgment.
Why FlatList's onEndReached Fires Multiple Times — and How to Stop It
After wiring up infinite scroll in a Rork-generated FlatList, you may notice the same paginated request hitting your API two or three times in a row. Here's why onEndReached fires more often than you expect and how to add a two-layer defense that survives production.
Designing an Observability Stack for Rork Max — Unifying Sentry, Crashlytics, and Cloudflare Logs from a Solo Developer's View
A practical observability stack design for apps shipped with Rork Max, covering Sentry, Crashlytics, and Cloudflare Logs role separation, scenario-based incident tracing routes, and how a solo developer can sustain it over years.
Rork iOS App Rejected with ITMS-90683 on TestFlight — How to Fix Missing Purpose Strings via app.json
If your Rork-built iOS app passes upload but gets an email titled ITMS-90683: Missing Purpose String in Info.plist, this guide walks through the real cause and the permanent fix via app.json, based on 12 years of shipping personal iOS apps with the same problem appearing across new SDK updates.
Automating Production Incident Response as a Solo Developer — Crashlytics, Sentry, Slack Routing, and Staged Rollback
Twelve years of running my own iPhone and Android apps, accumulating 50 million downloads, taught me a specific shape for production incident response. This article shares the Crashlytics + Sentry double layer, Slack routing into interrupt and log channels, and a Remote Config plus EAS Update staged rollback I keep returning to.
Production-Quality VoiceOver and Dynamic Type for Rork Apps
An indie developer's implementation notes for adding production-quality VoiceOver, Dynamic Type, and Reduce Motion support to React Native apps generated by Rork — covering label design, focus management, and regression testing.
Fixing 0x8badf00d Watchdog Kills That Wipe Out Rork Apps at Launch
Your Rork iOS app dies right after launch on real devices. Crashlytics shows exception code 0x8badf00d. Here is the watchdog termination story and the exact steps an indie developer running React Native apps for 50M downloads uses to make it stop.
Rork × StoreKit 2 × App Store Server API — A Three-Layer Subscription Architecture for Indie Apps
How to combine StoreKit 2 and Apple's App Store Server API to protect subscription revenue in Rork iOS apps with three coordinated layers: client verification, server-side JWS validation, and notification reconciliation.
Rolling Out Firebase App Check in Rork Without Breaking AdMob or Crashlytics
A practical, staged rollout for Firebase App Check in Rork apps that keeps Crashlytics reporting, Realtime Database listeners, and AdMob payouts intact — written from years of running AdMob-funded indie apps in production.
Fixing 'Row too big to fit into CursorWindow' on Android When AsyncStorage Holds Too Much in Rork
When a React Native app generated with Rork stores large JSON or image metadata in AsyncStorage, Android can throw a Row too big to fit into CursorWindow exception. Here are the practical fixes — MMKV migration, chunked keys, payload trimming, and compression — explained from real wallpaper-app experience.