Peace as a feature: an anti-pedometer on Expo that scolds you for activity

▤ Summary

This article describes the build of an Android-first Expo React Native app that turns step tracking into a playful anti-fitness experience. It combines Expo Pedometer, a native Android step counter fallback, background fetch, local notifications, and a Zustand store to sync activity and trigger reactions. The app adds challenges, achievements, sharing cards, and premium gating, all centered on a wellness-style consumer product. The write-up also covers several engineering choices around state management, motion sensing, and production deployment on Android.

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