Foon

iOS food journal with photo recognition, barcode scanning, and nutrition tracking

made with <3 by dbkarashev

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Features

• Log meals with photos — camera or photo library
• On-device food recognition via Core ML (Food-101, 101 categories)
• Barcode scanning with Open Food Facts lookup
• USDA FoodData Central search with inline suggestions
• Auto-fill calories, protein, fat, carbs from database
• Portion size input with real-time nutrient recalculation
• Daily nutrition rings (kcal, protein, fat, carbs, water)
• Weekly progress overview with mini-rings
• Water intake tracking with quick-add presets
• Weight tracker with interactive chart and period selector
• Journal with date filters, search, and daily calorie totals
• Offline-first — cached products, local ML, no account needed
• Built-in telemetry with CSV export for input channel analysis

Getting Started

Clone and open in Xcode:

git clone https://github.com/dbkarashev/foon.git
open Foon/Foon.xcodeproj

Add your USDA API key:

echo 'USDA_API_KEY = your_key_here' > Foon/Secrets.xcconfig

Get a free key at fdc.nal.usda.gov.

Requirements: iOS 26+, Xcode 26+

Tech Stack

• Swift 6.2
• SwiftUI
• SwiftData
• Core ML + Vision
• AVFoundation
• Swift Charts

License

This project is licensed under the MIT License.