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Guides

The stuff that actually blocks you

Free, and written to be genuinely useful on its own. If you fix your problem here and never buy anything, that's a good outcome.

App Store review

App Store rejection: Guideline 4.8, Sign in with Apple
4 min
Why Apple rejects apps for missing Sign in with Apple, exactly when the rule applies, and how to fix it in a React Native app.
App Store rejection: Guideline 5.1.1(v), account deletion
5 min
Apple requires in-app account deletion for any app with accounts. What counts, what doesn't, and how to implement it properly.

Payments

Expo + RevenueCat: why your paywall is empty
6 min
Products not loading in a React Native app is almost never a code bug. The seven real causes, in order of likelihood.

Shipping

Expo: when you can ship an OTA update and when you cannot
4 min
The rule for deciding between eas update and a full store build, and what happens when you get it wrong.

AI-assisted development

Building a React Native app with Claude Code
7 min
What AI agents do well on mobile codebases, where they consistently fail, and how to structure a repo so they succeed.