Rhumbly

Location-based treasure hunt iOS app

Building
SwiftUI · Swift · CoreLocation · ActivityKit · Supabase

Overview

A native iOS app for location-based exploration where users follow compass waypoints to complete treasure hunts, earn points, and unlock badges.

What I Built

  • Compass-based navigation with real-time distance and heading updates
  • Live Activities integration for lock screen and Dynamic Island progress tracking
  • Achievement system with 38 badges across multiple categories
  • Challenge modes with difficulty-based scoring and arrival radius
  • GPS trail recording and hunt history with cloud sync via Supabase