calm-fitness

byPiyush Yadav

Build a world-class AI-powered fitness and nutrition mobile application called **GymDiet AI**. The app's primary goal is to generate a **100% personalized diet plan** for gym-goers, athletes, bodybuilders, calisthenics practitioners, and fitness enthusiasts through an interactive AI conversation. Requirements: 1. AI Chat System * Conduct a natural conversation with the user. * Ask questions one by one. * Collect: * Age * Gender * Height * Weight * Body fat % * Activity level * Fitness goal (fat loss, muscle gain, body recomposition, strength, athletic performance) * Workout type (gym, calisthenics, sports, bodybuilding, powerlifting) * Dietary preference (vegetarian, vegan, eggitarian, non-vegetarian) * Allergies and medical conditions * Budget * Meal frequency * Food likes/dislikes * Country and cuisine preference 2. AI Nutrition Engine * Calculate: * BMR * TDEE * Daily calories * Protein * Carbohydrates * Fats * Fiber * Water intake 3. Personalized Diet Plan Generate: * Breakfast * Lunch * Dinner * Pre-workout meal * Post-workout meal * Snacks For every meal provide: * Ingredients * Quantity * Calories * Protein * Carbs * Fats * Preparation steps 4. Advanced Features * Weekly meal planner * Grocery shopping list * Progress tracking * Weight tracking * AI diet adjustments based on progress * Recipe recommendations * Barcode food scanner * Food image recognition * Voice input 5. User Experience * Modern dark gym-themed UI * Mobile-first design * Fast AI responses * Beautiful charts and analytics * Gamification and streaks 6. Technology Stack * Frontend: Flutter or React Native * Backend: FastAPI or Node.js * Database: PostgreSQL * AI: OpenAI GPT-5.5 * Authentication: Firebase Auth * Cloud: AWS or Google Cloud The final application should behave like a professional nutrition coach, personal trainer, and dietitian combined into one intelligent AI assistant.