VetMeld - AI Pet Health Companion | Flutter + NestJS Full-Stack App

VetMeld - AI-Powered Pet Health Companion App

A complete, production-ready pet health SaaS platform built with Flutter, NestJS, and React. Combines AI diagnostics, full health record tracking, gamification, community features, and subscription monetization — supporting dogs, cats, birds, rabbits, and more.

🚀 Key Features

🐾 Pet Management

• Multi-pet support — Dogs, Cats, Birds, Rabbits, Hamsters, Fish, Reptiles

• Pet profiles with photo, breed, weight, DOB, and microchip ID

• Pet dashboard with composite Wellness Score

• Wellness breakdown — vaccinations, medications, weight, activity, nutrition, vet visits

🤖 AI-Powered Health Assistant

• GPT-4 powered chat — context-aware (knows breed, age, weight, history)

• AI symptom analysis with photo upload support

• Severity assessment — low / medium / high / emergency

• Possible conditions with probability scores and recommended actions

• Conversation types: symptom check, nutrition, behavior, general, emergency

🏥 Health Records & Tracking

• Vet Visits — Checkups, vaccinations, surgeries, dental, lab tests with cost tracking

• Medications — Active/completed/discontinued tracking, dosage logs, refill reminders

• Vaccines — Schedule management, overdue alerts, upcoming reminders

• Weight Tracking — Historical logs, trend analysis, weight charts

• Nutrition — Meal logging, calorie/macro tracking, food barcode scanner

• Activities — Walks, playtime, training with duration and weekly stats

• Symptom Checker — AI-powered with photo upload

• Mood & Behavior — Mood tracking, energy levels, training sessions

🏆 Gamification & Engagement

• PawPoints — Earn points for logging health activities and daily check-ins

• Achievements — Badge system across Health, Care, Social, Milestone, Special categories

• Streaks — Daily care streak tracking with bonus rewards

• Challenges — Competitive challenges users can join

• Leaderboard — Global rankings by PawPoints and pet level

• Pet Levels — XP progression system per pet

🚨 Emergency Features

• Emergency guides with step-by-step first aid instructions

• Emergency contacts list with quick-call

• Emergency card with pet medical info and QR code

• Species-specific emergency guides

📸 Pet Gallery & Memories

• Photo gallery per pet with camera/gallery upload

• Memory journal — First, Funny, Adventure, Milestone, Health categories

• "On This Day" memories from past years

• Milestones timeline and pet memorial page with virtual candle lighting

👥 Community & Social

• User-generated posts feed — Tips, Questions, Stories, Photos, Health Updates

• Comments, likes, infinite scroll, pet tagging, hashtag support

⚙️ More Features

• Expense Tracking — Log vet, food, grooming, insurance, toy costs with receipt upload

• Vet Records — Vet contact management and document uploads (prescriptions, lab results)

• Push Notifications — FCM + local notifications for medication, vaccine, appointment reminders

• Offline Support — SQLite local database with auto-sync

• Dark & Light Theme — System default or manual toggle

• Multi-Language — l10n support, easily extendable

• Admin Dashboard — User management, subscription monitoring, feedback with replies

🛠️ Tech Stack

📱 Mobile App (Flutter)

• Flutter / Dart — iOS, Android & Web

• State management: Riverpod with code generation

• Navigation: GoRouter with deep linking

• Offline: SQLite with sync manager · Secure storage: flutter_secure_storage

• Camera, barcode scanner, Firebase Analytics & FCM

• Payments: in_app_purchase (Apple StoreKit + Google Play Billing)

⚙️ Backend (NestJS)

• NestJS (TypeScript) — 25+ modules, 170+ REST endpoints

• Database: PostgreSQL 16 · Cache & queues: Redis 7 + BullMQ

• AI: OpenAI GPT-4 / OpenRouter · Payments: Stripe + Apple IAP + Google Play

• Storage: AWS S3 / Cloudflare R2 · Email: AWS SES

• Swagger/OpenAPI docs · Background jobs with @nestjs/schedule

🌐 Frontend & Infrastructure

• React + Vite + Tailwind CSS landing page

• Docker Compose — one-command production deployment

• PostgreSQL 16 + Redis 7 with health checks

💳 Subscription Plans

• Free — 1 pet, 5 AI queries/month, 3 symptom checks/month, basic tracking

• Premium Monthly — $4.99/mo — Unlimited pets & AI, advanced analytics, data export

• Premium Yearly — $29.99/yr — Same as monthly, save 50%

• 20% early offer during onboarding · Apple IAP + Google Play + Stripe

📦 What's Included

• 📱 Full Flutter source code — iOS, Android & Web

• ⚙️ NestJS backend — 25+ modules, 170+ endpoints, 5 DB migrations

• 🌐 React + Vite + Tailwind landing page

• 🐳 Docker Compose — production + development configs

• 📋 Environment config templates (.env.sample)

• 📖 Swagger API documentation (auto-generated)

✅ Requirements

• Flutter 3.0+ / Dart 3.0+ · Android Studio / Xcode

• Node.js 18+ · PostgreSQL 16 · Redis 7

• Docker + Docker Compose (recommended) · OpenAI / OpenRouter API key

🐾 AI pet health for every species.  |  📊 25+ modules · 170+ endpoints · Gamification + Community