PostureMeld - No Hardware. Just Better Posture. | Flutter + NestJS

PostureMeld - No Hardware. Just Better Posture. | Flutter + NestJS

A complete, production-ready posture correction and ergonomic wellness platform built with Flutter, NestJS, and Laravel. Combines posture monitoring, pain tracking, 40+ guided exercises, AI coaching, desk setup analysis, and gamification — no wearables or hardware required. iOS, Android, and Web.

🚀 Key Features

🧘 Posture Tracking

• Posture check-ins with 1–5 scale rating and position tracking

• Daily and weekly posture scores with trend charts

• Daily limits for free tier, unlimited for premium

💪 40+ Guided Exercises

• Exercises across 8 body areas — neck, upper back, lower back, shoulders, hips, wrists, knees, ankles

• Step-by-step instructions with difficulty ratings and duration

• Custom routine builder based on user's pain areas

• 5 pre-built routines included (Desk Worker Special, Full Body Flow & more)

🤖 AI Ergonomics Coach

• Conversational AI powered by GPT-4o-mini via OpenRouter

• Personalized advice on posture, desk setup, and pain management

• Full conversation history saved per user

• Rate-limited by tier (3/day free, unlimited premium)

📊 Pain Tracking & AI Correlation

• Log pain by body area, severity, and type

• AI-driven pain correlation dashboard

• Links posture habits to pain patterns over time

• Visual analytics with charts (FL Chart)

🖥️ Desk Setup Analyzer

• AI-powered ergonomic workspace assessment

• Personalized recommendations for monitor, chair, and keyboard placement

• 30+ ergonomic tips library

🏆 Gamification

• 25 achievements — streaks, exercise milestones, check-in goals

• XP and leveling system · Current and longest streak tracking

• Community leaderboard · Confetti animations on unlock

⚙️ More Features

• Smart Reminders — customizable by day, quiet hours support (e.g. 22:00–07:00)

• Push Notifications — Firebase Cloud Messaging + local notifications

• 3 Languages — English, Spanish, French · ARB-based, add more with one file

• Dark & Light Theme · Language switcher in settings

• Auth — Email/OTP, Google Sign-In, Apple Sign-In · JWT auto-refresh

• Community — Posts, comments, likes (database ready)

• 27+ Screens — fully designed and functional mobile UI

🛠️ Tech Stack

📱 Mobile (Flutter)

• Flutter 3.38+ / Dart — iOS, Android & Web (PWA) · 17 feature modules

• Riverpod 2.5 · GoRouter 14.2 · Dio 5.4 + Socket.io

• FL Chart · Lottie & Confetti animations

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

• Auth: Google Sign-In, Apple Sign-In · Notifications: Firebase FCM

⚙️ Backend (NestJS — Primary)

• NestJS 11 (TypeScript) — 22 modules, 88+ REST endpoints + WebSocket

• Database: PostgreSQL (34 tables, migrations + seed data) · Cache: Redis · Queue: BullMQ

• AI: OpenRouter (GPT-4o-mini) · Storage: AWS S3 / Cloudflare R2 · Email: AWS SES

• Deployed with PM2 + Nginx · 3 GitHub Actions CI/CD workflows · Swagger docs at /docs

🛠️ Bonus: Laravel Backend

• Laravel 11 + Filament admin panel — full alternative backend included

💳 Subscription Plans

• Free — 3 posture checks/day, 5 exercises/day, 3 AI chats/day

• Premium Monthly — $4.99/mo — Unlimited everything + early bird $3.99/mo

• Premium Yearly — $29.99/yr — Best value + early bird $23.99/yr

• 7-day free trial · Apple StoreKit + Google Play · Server-side receipt verification

📦 What's Included

• 📱 Full Flutter source code — iOS, Android & Web (17 modules, 27+ screens)

• ⚙️ NestJS backend — 22 modules, 88+ endpoints, 34-table schema, migrations + seed data

• 🛠️ Laravel 11 + Filament admin panel (bonus alternative backend)

• 🔄 3 GitHub Actions CI/CD workflows

• 📋 Seed data — 40 exercises, 30 tips, 25 achievements, 8 body areas, 5 routines

• 📖 Swagger API docs · Implementation guides

✅ Requirements

• Flutter 3.38+ · Android Studio / Xcode

• Node.js 20+ · PostgreSQL 14+ · Redis 6+

• OpenRouter API key · Firebase project · AWS S3 or Cloudflare R2

🧘 No hardware. Just better posture.  |  📊 22 modules · 88+ endpoints · 34 tables · 40+ exercises