HAVEN - Enjoy Food. Hit Your Goals (Weekly Calorie Tracking App)

A mobile calorie tracking app that replaces daily restrictions with a flexible weekly budget system, helping you maintain a sustainable eating habits.

🎯 Overview

HAVEN is a React Native mobile app that takes a different approach to calorie tracking. Instead of rigid daily limits that lead to guilt and failure, HAVEN uses:

• Weekly Calorie Banks - Flexibility to enjoy life while staying on track
• 7-Day Baseline Week - Learn your natural eating patterns first
• Pre-Planned Cheat Days - Intentional days to indulge without guilt
• • Smart Metrics - Balance, Consistency, and Drift scores that make you understand your patterns

🏗️ Tech Stack

Frontend

• React Native Using Expo
• TypeScript
• Ionicons for icons

Backend

• Supabase - PostgreSQL database, authentication, RLS
• Supabase Edge Functions - Serverless TypeScript functions (Deno runtime)

APIs

• USDA FoodData Central - Free food database (300k+ foods)
• OpenAI GPT 4o- AI Estimate Image Calories