Dev Tools
React Native and Expo techniques, build-error and crash troubleshooting, and API integrations that help you take Rork-generated code to production quality.
Practical Techniques to Cut the Startup Time of Rork-Generated Apps
If a Rork-generated app feels sluggish on launch, the cause is almost always in how initial loading is assembled. Here's the exact process I used to cut startup time to a third of its original value, measurements included.
Fixing Japanese IME Input Issues in Rork Apps: A React Native Deep Dive
Apps generated by Rork often misbehave with Japanese IME input — events fire during composition, candidate windows close unexpectedly. Here's how to diagnose and fix it with working React Native code.
Loading Custom Fonts Cleanly in Rork Apps — Preventing Startup Flicker (FOIT/FOUT) With expo-font
When you ship a Rork-generated app with a custom font, you often see a brief flash of the system font at launch — the classic FOIT/FOUT problem. This guide shows how to combine expo-font and expo-splash-screen to hold the splash screen until fonts are ready, with copy-paste-ready code.
Keeping a Rork-Built Solo App Alive Past Year Three — A Maintenance Design Against Silent App Aging
When you run a Rork-built app over the long haul, a kind of 'aging' starts creeping in that wasn't visible at launch — OS updates, breaking library changes, shifting device landscapes. After more than a decade of independent app development and two years of running Rork apps, here are the maintenance design principles I rely on to keep apps stable past year three.
The Three Implementation Details That Decide First-Touch Feel in Rork Apps — Animation, Haptics, and Transition Speed
Two apps can offer the same features yet feel completely different. The reason usually comes down to animation, haptics, and transition speed. Here is exactly how to implement each of the three in a Rork-built app, with code you can drop in today.
Rork × Fastlane × EAS Release Automation Guide — Ship Screenshots, Metadata, and TestFlight/Play Console Builds With One Command
A production-ready implementation guide for automating Rork app releases with Fastlane and EAS. Generate screenshots, sync store metadata, and ship to TestFlight and Google Play with a single command.
Fixing Safe Area & Notch Display Issues in Rork Apps
Why content in Rork-generated apps clips behind the iPhone notch and home indicator, and the SafeAreaView / useSafeAreaInsets patterns that actually fix it.
Fixing Screen Orientation and Rotation Issues in Rork-Built Apps
When Rork-generated apps won't rotate, refuse to lock to portrait on certain screens, or break layouts on iPad landscape — here are the fixes for both iOS and Android.
Six Things That Will Almost Certainly Trip You Up When Shipping a Rork App to Production
The app runs fine in Rork's preview. Then you try to ship it, and the problems start. These are the six production release pitfalls I keep hitting as a solo developer, and what I now do to catch each one before the store gets involved.
Lifting ATT Opt-in Rates in Rork Apps — Turning iOS Tracking Consent into Real Ad Revenue
Implementation patterns that raise App Tracking Transparency (ATT) opt-in rates in Rork-built iOS apps, wired to your AdMob revenue. Covers purpose string copy, prompt timing, a pre-permission screen, cohort-level measurement, UMP (GDPR) ordering, and a dynamic non-personalized ads fallback.
Protecting Your Rork App From Fraudulent Purchases and Request Spoofing — A Complete Server-Side Validation Design With App Attest and Play Integrity
A complete walkthrough of how to protect your Rork app's revenue and API endpoints from request spoofing and IAP fraud using Apple's App Attest and Google's Play Integrity APIs, with runnable Cloudflare Workers code and StoreKit 2 JWS verification.
Building a Settings Screen That Actually Works in Your Rork App — Notifications, Subscription Management, and Legal Requirements
A practical guide to building production-grade settings screens for your Rork app, covering notifications, subscription management, legal disclosures, and support flows — with real code examples.
What Changes After You Launch a Rork App — The Reality of Maintaining What AI Built
Lessons from shipping a Rork-built app on the App Store and watching real users interact with it. Where AI code generation shines, where it falls short, and what you'll need to add yourself.
Rork App Data Not Saving or Disappearing: Causes and Fixes
When Rork app data isn't saving or disappears after a restart, a handful of root causes explain most cases. This guide covers AsyncStorage pitfalls, async timing bugs, key mismatches, and when to switch to MMKV.
Why useEffect Loops Infinitely in Rork-Generated Code — and How to Fix It
Rork-generated React Native code can trigger useEffect infinite loops through subtle dependency array mistakes. This guide covers 5 common causes — stale deps, object references, unstable callbacks — with Before/After code fixes.
Using Rork Max Auto-Backend at Production Level — Data Persistence, Auth, and External Service Integration
Complete production guide for Rork Max's auto-backend API. Covers database design for data persistence, JWT auth flows, external API integration including Stripe, and the migration strategy for when Rork's backend reaches its limits.
Build a Brand EC App with Rork × Shopify Storefront API — Products, Cart, Checkout, Order History, and Push Notifications
A complete guide to building a branded e-commerce mobile app with Rork and the Shopify Storefront API. Covers product listing, cart management, checkout flow, order management, and push notifications — with production-ready code and App Store submission tips.
Offline-First Architecture in Rork Apps: WatermelonDB + Supabase Sync
A complete guide to implementing offline-first architecture in Rork apps using WatermelonDB and Supabase Realtime. Covers local caching, optimistic updates, conflict resolution, and cross-device sync.
Rork App Freezing and Not Responding: A Pattern-by-Pattern Troubleshooting Guide
Troubleshoot Rork apps that freeze or stop responding to user input. Covers four common causes: main thread blocking, useEffect infinite loops, missing loading states, and FlatList key issues—with code examples and fixes.
Rork App Loading Spinner Never Stops — Fixing Async State Update Issues
Learn why Rork app loading spinners get stuck and data never appears. Covers try/catch/finally patterns, useEffect dependency array issues, and response structure mismatches with practical code fixes.
Rork App Works in Preview But Crashes on Device — Here's Why
Your Rork-generated app runs fine in preview but crashes on a real device. This guide covers the four most common causes: missing env vars, native module version mismatches, permission config gaps, and async initialization issues.
SwiftUI vs React Native Built with Rork Max — A Side-by-Side Comparison Report
I built the same app twice — once in SwiftUI, once in React Native — using Rork Max for both. Here are the real numbers on development speed, performance, and maintainability.
Rork App Works on iOS but Breaks on Android: A Practical Guide to Fixing Platform Differences
Troubleshoot Rork apps that work on iOS but break on Android. Covers shadows, fonts, permissions, keyboard, and status bar with code examples.
Why Supabase Data Isn't Loading in Your Rork App — Diagnosis by Pattern
Systematically diagnose why Supabase data won't load in your Rork app. Covers the most common causes: RLS misconfiguration, wrong API keys, async handling mistakes, and table name typos — with code examples.
Diagnosing and Fixing Memory Leaks in Rork-Generated React Native Code with React Native DevTools and Instruments
A field-tested workflow for diagnosing memory leaks in Rork-generated React Native apps using the React Native DevTools Memory panel and Xcode Instruments, with concrete heap thresholds and before/after fixes for five recurring patterns. Rebuilt for the post-Flipper toolchain.
Works on Simulator, Crashes on Device: Diagnosing Rork Max App Failures
Your Rork Max SwiftUI app runs fine on the iOS Simulator but crashes the moment it hits a real device. Here are the 5 most common patterns, how to read crash logs, and how to fix each one.
Building a Custom AI Keyboard Extension with Rork Max: A Complete iOS Keyboard Extension Guide
A complete guide to building a custom iOS Keyboard Extension with Rork Max. Covers Claude API integration for AI text completion, multilingual translation, smart templates, App Store review strategy, and subscription monetization.
Fix Keyboard Hiding Input Fields in Rork Apps: A Complete Troubleshooting Guide
Solve the common issue of the on-screen keyboard overlapping text input fields in Rork apps. Learn KeyboardAvoidingView, ScrollView combinations, the useKeyboard hook, and SwiftUI keyboard avoidance with working code examples.
Rork + Superwall: A/B Test Your Paywall to Boost Subscription Conversion
Learn how to integrate Superwall into your Rork app to A/B test paywall designs and increase subscription conversion rates. Covers SDK setup, campaign configuration, RevenueCat integration, and analytics — with working code examples.
Rork × RevenueCat + Stripe Web Integration: Managing iOS, Android & Web Subscriptions from a Single Backend
A complete implementation guide for unifying iOS StoreKit, Android Google Play Billing, and Stripe Web payments under RevenueCat for Rork apps. Covers cross-platform entitlement sync, common pitfalls, and production deployment.
Purchase Status Not Updating in Rork — Debugging RevenueCat & StoreKit Sync Issues
Fix the frustrating issue of subscription status not reflecting after purchase in Rork apps. Step-by-step debugging guide covering RevenueCat customerInfo timing, Entitlement ID mismatches, Sandbox delays, and listener setup.
Rork Companion Not Connecting: Complete Debugging Guide
Rork Companion won't connect to your device, preview won't load, or sync is painfully slow? This complete guide covers all 5 failure categories — network setup, firewall, iOS/Android specific issues, and performance fixes with step-by-step solutions.
LLM Streaming in Rork Apps: Building ChatGPT-Style Real-Time AI Responses with Expo and SSE
Field notes on shipping LLM streaming (SSE) in React Native and Expo. Anthropic, OpenAI and Gemini behind one interface, AbortController cancellation and retries, a Cloudflare Workers proxy, context compaction, and a mock SSE server for testing at zero API cost.
Fixing Layout Issues in Rork Apps: A Responsive Design Troubleshooting Guide
Solve common Rork app layout issues including SafeArea bugs, Flexbox chain breaks, and screen-size inconsistencies with practical code examples
Building Offline-First Apps with Rork — Practical Cache Strategies Using AsyncStorage and SQLite
A step-by-step guide to adding offline capabilities to Rork-generated apps, covering data persistence, background sync, and conflict resolution patterns that prevent user churn.
Rork App Running Slow, Lagging, or Freezing? A Complete Performance Troubleshooting Guide
Diagnose and fix performance issues in your Rork-built app — from laggy scrolling and slow transitions to freezes and memory leaks. Includes code examples for React Native optimization.
Complete Step-by-Step Guide to Building SwiftUI Native Apps with Rork Max
Learn how to generate production-ready SwiftUI native iOS apps with Rork Max's full native code generation. From prompt design to App Store submission in one complete guide.
Building Marketplace Payments with Rork and Stripe Connect
A comprehensive guide to integrating Stripe Connect into a Rork-built marketplace app. Covers seller account onboarding, destination charges, platform fee distribution, Webhook handling, and launch compliance.
Building a Live Streaming App with Rork and Agora SDK — Real-Time Video, Gifting, and Monetization
Build a production-ready live streaming app using Rork and Agora SDK. Covers iOS/Android setup, host and audience roles, real-time chat, gift monetization, and scaling strategies with full code examples.
Mastering Native Integration with Rork Max: A Complete iOS/Android Production Guide
A complete guide to integrating iOS/Android native features with Rork Max — from device capabilities and performance tuning to production-ready deployment.