ChefAI — AI Recipe Generator, Meal Planner Calorie Tracker | Flutter Full App

ChefAI is a complete Flutter mobile app that uses AI to generate personalized recipes from ingredients you already have, build 7-day meal plans, track daily calories & macros, and guide you through cooking with a beautiful step-by-step cooking mode. Powered by OpenAI GPT-4o and Google Gemini 1.5 Pro — switchable without an app update.Built for developers and entrepreneurs who want to launch a polished, monetizable AI food app on the App Store and Google Play under their own brand.Key FeaturesDual AI Providers — OpenAI GPT-4o & Google Gemini 1.5 Pro. Switch providers instantly via Firebase Remote Config — no app update needed.AI Recipe Generator — Enter pantry ingredients and get complete, realistic recipes with full nutrition data, chef tips, and ingredient substitutions.7-Day AI Meal Planner — Auto-generate a full weekly meal plan balanced to your calorie goal, dietary preference, and cuisine variety rules.Nutrition Tracker — Daily calorie ring (fl_chart), macro bars (protein / carbs / fat / fiber), per-meal logging, water tracker, and weekly history.‍ Step-by-Step Cooking Mode — Full-screen immersive view, wakelock (screen stays on), auto countdown timers, voice navigation, and an ingredients side panel.Serving Adjuster — Scale any recipe from 1 to 12 servings. All ingredient quantities recalculate automatically with fraction formatting.Ingredient Substitutions — AI-powered substitution suggestions that respect your dietary preferences and allergies.️ Voice Input — Speak your ingredients instead of typing using the built-in speech-to-text.Dark Mode — Full dark mode support on every screen. Toggled from Settings.Authentication — Email/Password, Google Sign-In, and Sign in with Apple via Firebase Auth.Recipe Library — Save, favorite, search, and filter your generated recipes. Grid & list toggle.Explore Screen — Curated recipe sections, trending dishes, and quick cuisine filters.Monetization Ready — RevenueCat subscription IAP AdMob banner & interstitial ads built in. Free tier limits controlled from Remote Config.Push Notifications — Firebase Cloud Messaging (FCM) local notifications for cooking timers and meal reminders.⚙️ Remote Config — All API keys, free tier limits, and ad unit IDs are managed server-side. No app update required to change them.What’s Included✅ Complete Flutter source code (Android iOS)✅ All screens, widgets, providers, and services✅ OpenAI & Gemini AI service implementations✅ Firebase Auth, Firestore, Remote Config, FCM integration✅ RevenueCat IAP subscription integration✅ AdMob banner & interstitial ad integration✅ Full documentation (HTML, offline-ready)✅ Quick Start Guide✅ Firestore Security Rules✅ Free tier & premium tier logic️ Tech StackFrameworkFlutter 3.24 / Dart 3.5State ManagementRiverpod 2 code generationNavigationGoRouterAI — PrimaryOpenAI GPT-4o / GPT-4o-miniAI — SecondaryGoogle Gemini 1.5 Pro / FlashBackendFirebase Auth, Cloud Firestore, Remote Config, FCMModelsfreezed json_serializableHTTPDioChartsfl_chartCalendartable_calendarFontsGoogle Fonts — MontserratAnimationsLottie, flutter_animate, shimmerIAPRevenueCat (purchases_flutter)AdsGoogle Mobile Ads (AdMob)Notificationsflutter_local_notifications FCMStorageHive SharedPreferencesVoicespeech_to_textWakelockwakelock_plusMin iOSiOS 15.6Min AndroidAPI 21 (Android 5.0)