Deep dives into mobile app engineering & system design
Learn how to defer loading of rarely used screens with React.lazy and React Navigation, cutting initial bundle size and speeding up app start‑up.
Learn how to use React Native's InteractionManager to postpone expensive calculations until after UI interactions, keeping animations buttery smooth.
Learn how React Native's TurboModules replace the classic bridge, cut serialization overhead, and give you near‑native speed for native APIs.
Learn how to use Expo's EAS Update to push small, incremental over‑the‑air patches without rebuilding the whole binary.
Prevent excessive network traffic by debouncing input‑driven API calls with a tiny reusable hook.
Learn how to keep a single source of truth for UI components that work in both React Native and Next.js using a Yarn workspace monorepo and simple build tweaks.
Learn how to use InteractionManager to push expensive calculations off the UI thread, keeping animations smooth and responsive.
Learn how to keep a single source of truth for UI components across React Native and web by using Yarn workspaces, reducing duplication and easing maintenance.
Compare Expo's new EAS Update workflow with the classic expo-updates OTA approach and learn when each shines.
Learn how to schedule reliable background network calls in Expo using the Task Manager API, keeping data fresh even when the app is closed.
Organize a React Native codebase by features instead of layers to improve discoverability, enable independent testing, and simplify monorepo sharing of UI components.
Learn how to make your React Native app feel instantly responsive by applying optimistic updates with React Query, reducing perceived latency while keeping data consistent.
Learn how to schedule periodic background work in Expo apps using Task Manager, keeping data fresh even when the app is closed.
A quick guide to the subtle timing differences between useEffect and useLayoutEffect in React Native, and how the right choice can prevent UI flicker and layout bugs.
Leverage React Query's prefetch capabilities to load data before a user navigates, cutting perceived load times and improving UX in React Native apps.
Use React Query's prefetch capabilities to load data before a user navigates, eliminating loading spinners and improving perceived performance.
Learn how to enable seamless OTA patches in Expo apps using EAS Update, and why it beats the old expo-updates workflow.
Learn how to keep animations smooth by postponing expensive calculations until after UI interactions using React Native's InteractionManager.
Use React Query's prefetch capabilities in navigation listeners to load data before a screen mounts, eliminating loading spinners and improving perceived performance.
Delay heavy work until after animations finish by using InteractionManager, keeping the UI buttery smooth on both iOS and Android.
Learn how enabling Metro's RAM bundles can cut down JavaScript bundle size and improve app launch speed with a few config changes.
Learn how the JavaScript Interface (JSI) lets you call native code without the traditional React Native bridge, cutting latency and boosting UI responsiveness.
A quick look at the hidden costs of over‑relying on Expo Application Services (EAS) OTA updates and how to mitigate version‑drift issues.
Learn how to use React Native's InteractionManager to postpone expensive tasks until after animations and gestures complete, keeping the UI buttery smooth.
Leverage TypeScript to enforce compile‑time safety for React Navigation parameters, eliminating a common source of runtime crashes.
Discover how Jotai lets you manage isolated pieces of state with tiny atoms, cutting down on Redux boilerplate while keeping re‑renders predictable.
Leverage TypeScript generics to build reusable, type‑safe data‑fetching hooks with React Query, reducing boilerplate and catching API contract errors at compile time.
Learn how a couple of Babel tweaks—removing console statements and enabling inline requires—can shave megabytes off your RN bundle and speed up startup.
Leverage react-native-fast-image to cache remote assets, cut network churn, and keep scrolling buttery‑smooth on both iOS and Android.
A quick comparison of MMKV and AsyncStorage, showing why MMKV can dramatically speed up key‑value storage in React Native apps.
A quick look at why Hermes often outperforms JavaScriptCore in React Native apps and how to switch engines with minimal friction.
A quick comparison of two popular React Native secure storage options and guidance on when to choose each.
Learn how Reanimated 3 worklets let you execute animation logic directly on the UI thread, eliminating bridge overhead and delivering buttery‑smooth interactions.
A quick guide on how getItemLayout can eliminate layout passes in large FlatLists, keeping scrolls buttery‑smooth on low‑end devices.
Learn how Metro's inlineRequires feature can defer module evaluation, shrinking JavaScript bundle size and improving cold start performance in React Native apps.
A practical comparison of React Native and Flutter for mobile development � helping you pick the right tool based on your team, project, and timeline.
Expo removes most of the friction from React Native development. Here is how to bootstrap a production-ready app in minutes.
Comparing the three most popular state management approaches for React Native apps � with practical guidance on when to use each.
Real-world mobile users lose connectivity constantly. Here is how to architect a React Native app that works seamlessly offline.
A practical guide to deciding between MongoDB and a relational database � demystifying the NoSQL vs SQL debate with real use cases.
A practical guide to structuring navigation in React Native apps using React Navigation � covering common patterns and nested navigators.
Fetch, cache, and sync server data in React Native the right way � using React Query for loading states, error handling, and cache invalidation.
If you know React Native, picking up Next.js is natural � here is how the mental models map and where they diverge.
Promises, async/await, and common pitfalls � a practical async JavaScript guide written from a React Native perspective.