When a Poisoned Cache Crashes Your App on Every Launch — Designing a Safe-Mode Boot Your Users Can Escape On Their Own
When a persisted cache goes bad and the app crashes at the same spot on every launch, the only option left to the user is to reinstall. This article designs a safe-mode boot for Expo (React Native): the app counts its own early crashes, confirms a launch only once it becomes interactive, and resets just the dangerous state in graduated steps.
Three Weeks of Moving Six Wallpaper Apps from AsyncStorage to MMKV in Rork
Notes from three weeks of gradually moving six wallpaper apps from AsyncStorage to react-native-mmkv. Personal write-up from an indie developer who has been shipping iOS and Android apps since 2014.
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.
Building an AI Writing Coach App with Rork Max — Complete Implementation Guide for Claude API Streaming, RevenueCat Subscriptions, and History Management
A complete guide to building an AI writing coach app using Rork Max and Claude API. Covers backend architecture, SSE streaming, RevenueCat subscription tiers, MMKV history persistence, and App Store strategy — production-ready code throughout.
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.
Local Data Persistence in Rork Apps — Choosing AsyncStorage, MMKV, and SQLite by Measurement
A measured comparison of local storage in Rork apps: AsyncStorage, MMKV, and SQLite. Covers a zero-downtime migration, MMKV pitfalls, and how transactions plus WAL make SQLite bulk inserts dozens of times faster — grounded in hands-on indie development.