7 articles on building for app builders shipping to the App Store and Google Play.
How to request permissions in your Expo app: install the right permission module, write a clear purpose string for every permission you ask for, request access at the moment the user needs it, and handle a denial gracefully. Here is the exact flow - and the missing purpose string that gets first-time apps rejected.
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Adding dark mode to your Expo app means detecting the system color scheme, theming every component from one central palette, and handling the edge cases that trip up first-time builders. Here is the exact setup - useColorScheme, a typed theme object, styled components, and how Claude Code wires it all in one pass.
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How to set up Supabase with Expo: install the JS client, store the session with Expo SecureStore, enable Row-Level Security on every table, and let Claude Code write the repetitive boilerplate. Here is the exact setup that keeps your app store submission clean and your user data locked down.
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A bloated Expo app rarely gets rejected for its size, but it does sit behind Apple's cellular download prompt while a smaller competitor doesn't. Here is where the bloat actually comes from, how to measure what users really download, and the fixes worth doing before you submit.
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Most apps break the moment the connection drops, and reviewers notice. Here is the smallest amount of offline support that makes an app feel solid, and why full sync is almost always the wrong first step.
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Pick the simplest auth method your app can survive on, store the token in encrypted storage rather than plain storage, and test the redirect in a real build. That last step is where most Expo auth work quietly falls apart.
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Expo apps behave differently on a real device than in the simulator. Here is how to debug your Expo app when something works in development but breaks on a physical iPhone or Android phone.
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David