Booply

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Booply

Booply, a group alarm event app that makes being on time effortless. People are late because they underestimate travel time or forget when to leave. Booply calculates exactly when you need to head out, sends reminders, and even verifies you left.

For group plans, you can see friends’ progress in real-time, which adds friendly social pressure, and a leaderboard gamifies punctuality so being on time is rewarding. It works on your phone and Apple Watch for notifications, check-ins, and live updates.

Our research shows most late arrivals are due to poor time estimates, and early testing shows Booply actually gets people there on time. We want to make punctuality easy, social, and even fun.

Problem Managing time is hard. Whether you're heading out alone or meeting friends, people often underestimate how long things take or lose track of when you should actually leave. Booply helps you turn plans into action by telling you exactly when to go and keeping you accountable in a lightweight, friendly way.

Features Smart Alarm Scheduling: Automatically calculates when to leave for any event based on location and travel time Solo & Group Plans: Create personal plans or group hangs with friends Real-time Progress Pings: Get live updates on group members' location and status Leave Verification: Automatic location check ensures you actually left on time Leaderboard & Ranks: Light gamification around punctuality to encourage accountability Profile & Stats: Track your on-time rate, trends, and performance over time

How It Works Plan Creation: Create a hang with a location and time Smart Calculations: Booply analyzes travel time and weather to determine exactly when you need to leave

Alarm & Notification: Get a notification at the calculated departure time Location Verification: Confirm you've left by checking your location Real-time Updates: Share live updates with your group as you head out Stats & Leaderboard: Track your punctuality and compete with friends

Tech Stack Frontend React Native with Expo - Cross-platform mobile development TypeScript - Type safety Expo Router - Navigation and routing NativeWind - Tailwind CSS for React Native React Navigation - Tab-based and stack navigation

Backend & Database Supabase - PostgreSQL database and authentication Expo Notifications - Push notification services

Key Libraries Mapbox - Location and mapping services Expo Location - Native location tracking Expo Sensors - Device sensor access Expo Image Picker - Photo selection AsyncStorage - Local data persistence