Expo Mobile App Skill

A Claude Code skill for building production-ready Expo React Native mobile applications.

Features

• StoreKit 2 (expo-iap) - Weekly/yearly subscriptions + lifetime purchase, trial eligibility, Ask to Buy
• RevenueCat (observer mode) - Purchase records and Apple Ads attribution
• AdMob - Banner ads with UMP (GDPR) consent, ATT and premium user detection
• PostHog - Typed analytics events, screen tracking, error tracking, feature flags
• i18n - Multi-language support with RTL (Turkish/English/Arabic)
• Onboarding - Fullscreen video background, permission screens, then paywall
• Paywall - Store prices, yearly default, App Store 3.1.2 compliant
• Ratings - Native review prompt at value moments
• Background tasks, widgets & Live Activities (optional)
• NativeTabs - Native tab navigation
• Theme - Light/Dark/System mode support

Installation

npx skills add zaferayan/skills

What it does

When you ask Claude Code to create an Expo app, this skill ensures:

1. Required Screens: Onboarding, Paywall, Settings
2. Proper Flow: Onboarding → Paywall → Main App
3. Monetization: StoreKit 2 (expo-iap) + RevenueCat observer + AdMob with consent
4. Best Practices: No AsyncStorage, no lineHeight, NativeTabs only

Usage

After installing, simply ask Claude Code:

/zafer-skills Create a water reminder app

Claude will automatically:

• Set up the project structure
• Configure StoreKit purchases, RevenueCat observer mode, AdMob consent and PostHog
• Create onboarding with video background
• Build paywall with subscription options
• Add settings with language, theme, and reset options

Tech Stack

• Expo SDK 57 / React Native 0.86
• Expo Router (file-based routing)
• NativeTabs navigation
• expo-iap (StoreKit 2 / Play Billing)
• RevenueCat (react-native-purchases, observer mode)
• AdMob (react-native-google-mobile-ads) + expo-tracking-transparency
• PostHog (posthog-react-native)
• expo-store-review
• i18next + react-i18next
• expo-video
• expo-sqlite (localStorage polyfill)

License

MIT