NutriScan AI — AI-Powered Calorie Tracker iOS App

NutriScan AI is a modern AI-powered nutrition tracking iOS app template built with SwiftUI. Users can simply take a photo of food and Gemini Vision AI instantly calculates calories, macros, health score, and nutrition tips.

The app includes a beautiful dashboard, meal logging system, analytics charts, onboarding flow, and StoreKit 2 subscription support. It works without Firebase or any backend, making it easy to launch on the App Store with zero monthly server costs.

AI Features

• AI food recognition using Gemini Vision API
• Scan food using camera
• Import food images from photo library
• Barcode scanner with animated viewfinder
• AI text-based food search
• AI meal plan generator
• Health score for each meal
• AI nutrition tips for scanned meals

Home Dashboard

• Animated calorie progress ring
• Macro progress bars (protein, carbs, fat, fiber)
• Daily logging streak tracker
• Water intake tracker (8-glass goal)
• 7-day calorie chart
• AI meal plan generator button
• Today’s meals overview

Meal Log

• 7-day date picker
• Filter meals by breakfast, lunch, dinner, or snack
• Swipe to delete meals
• Manual meal entry
• AI food lookup
• Daily macro summary
• Add meals for any date

Insights & Charts

• Macro distribution donut chart
• Calorie trend line chart
• 7 / 14 / 30 day analytics
• Meal type breakdown chart
• Best and worst calorie day comparison
• Average daily calories overview
• AI scans vs manual entries statistics

Profile & Onboarding

• 4-step onboarding process
• BMR calculator (Mifflin-St Jeor formula)
• Fitness goals:
  • Lose weight
  • Maintain weight
  • Gain muscle
• Activity level selection
• Lifetime stats tracking
• Daily calorie and macro goals
• Reset all data option

Subscription System

• Built with StoreKit 2
• Monthly plan
• Yearly plan
• 3-day free trial
• Restore purchases
• Purchase verification
• Premium status display
• Beautiful subscription paywall screen

Technology Stack

• SwiftUI interface
• SwiftData local database
• Gemini Vision API for AI food recognition
• Swift Charts for analytics
• StoreKit 2 subscriptions
• AVFoundation barcode scanner
• PhotosUI image picker
• HealthKit framework support
• Async/Await networking
• MVVM architecture
• iOS 17+
• No Firebase
• No external dependencies
• No backend required

Key Features

• AI food photo scanner
• Barcode scanner
• AI meal search
• Manual meal entry
• Calorie progress tracking
• Macro tracking
• Water intake tracker
• Daily streak system
• Meal planner
• Analytics charts
• Onboarding flow
• Subscription system
• Dark mode support
• Local data storage

Requirements

• Xcode 15 or higher
• macOS Ventura or higher
• iOS 17+ deployment target
• Gemini API key
• Apple Developer Account (for App Store publishing)

Files Included

• Full Xcode project
• Source code
• HTML documentation
• Rebranding guide
• App Store metadata
• Launch checklist

Changelog

Version 1.0 — March 2026

• Initial release
• AI food recognition
• Barcode scanner
• Nutrition analytics
• Subscription system
• Complete onboarding flow

Support

If you need help with installation or customization, feel free to contact us.

Email: mubeenafridi691@gmail.com
Phone / WhatsApp: +92 316 973 5216