Build the Habits That Build You — StrideMeld | Flutter + NestJS

StrideMeld - Build Better Habits with AI Coaching & Gamification | Flutter + NestJS

A complete, production-ready habit tracking SaaS built with Flutter, NestJS, and React. Combines AI coaching, streak tracking, routine builder, community challenges, journaling, and subscription monetization — 176 source files across mobile, backend, and web dashboard.

🚀 Key Features

✅ Core Habit System

• Create habits with 10 categories, frequency (daily/weekly/custom), color, icon, time of day

• Log completions with mood, energy level, duration, and notes

• Habit archiving — restore anytime without losing history

• Visual calendar heatmap with day-by-day completion data

🔥 Streak Engine

• Automatic streak tracking — current, longest, total completions, completion rate

• Smart 9 PM streak warning notifications for users at risk (3+ day streaks)

• Cron-based midnight streak resets

📋 Routine Builder

• Build step-by-step morning and evening routines with custom durations

• Session tracking — start, progress, complete with before/after mood

• 8 pre-built templates — Productive Morning, Wind Down, Fitness First, Deep Focus & more

• Drag-and-drop step reordering · optional steps

🤖 AI Habit Coach

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

• Context-aware — AI receives user's habits, streaks, and completion rates

• AI-generated habit suggestions based on user patterns

• Full conversation history stored per user

📊 Analytics & Insights

• Dashboard overview — today's stats, weekly progress, completion rates

• Automated weekly reports emailed every Monday

• Per-habit analytics, time-of-day analysis, line/bar charts, heatmaps

🏆 Gamification

• 16 achievement badges — Starter, Streak, Creation, Routine, Journal, Goals & more

• XP & leveling system (threshold scales with level)

• Weekly leaderboards · Auto-award cron job at 2 AM

👥 Community Challenges

• 8 pre-built challenges (7-day to 30-day)

• Join/leave, progress tracking, per-challenge leaderboards

• Real-time updates via Socket.io

⚙️ More Features

• Goal Setting — link habits to goals, automatic progress calculation

• Habit Journal — daily mood/energy entries, tags, habit linking

• Push Notifications — 6 types via Firebase FCM + smart reminders every 15 min

• 7 Languages — EN, ES, FR, DE, JA, KO, ZH

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

• 5 Cron Jobs — reminders, streak warnings, weekly reports, resets, achievements

• Admin Panel — user management, analytics, feedback, subscriptions

🛠️ Tech Stack

📱 Mobile (Flutter)

• Flutter 3.38 / Dart 3.2+ — iOS, Android & Web · 17 feature modules

• Riverpod · GoRouter · Dio with auto token refresh

• FL Chart · Lottie, Confetti, Shimmer animations

• Payments: in_app_purchase (Apple StoreKit + Google Play) · Firebase FCM

• i18n: 7 language ARB files

⚙️ Backend (NestJS)

• NestJS 11 (TypeScript) — 22 modules, 29-table PostgreSQL schema

• Redis + BullMQ · Socket.io real-time · 5 automated cron jobs

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

• PM2 + Nginx + CI/CD · Swagger docs at /api/docs

🌐 Web Dashboard (React)

• React 19 + TypeScript + Vite 6 + Tailwind CSS 3

• Recharts analytics · 20+ pages · admin dashboard

💳 Subscription Plans

• Free Trial — 7-day full access

• Monthly — $4.99/mo · Yearly — $29.99/yr

• Apple StoreKit + Google Play · Server-side receipt verification · restore purchases

• Hard paywall after trial · demo account included for store review

📦 What's Included

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

• ⚙️ NestJS backend — 22 modules, 29-table schema, 2 migration files + seed data

• 🌐 React 19 web dashboard — 20+ pages

• 🔄 2 GitHub Actions CI/CD workflows · Nginx config included

• 📖 Swagger API docs · Demo account pre-configured

• 🌍 7 language ARB files

✅ Requirements

• Flutter 3.38+ · Android Studio / Xcode

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

• OpenRouter API key · Firebase project · AWS SES · Cloudflare R2

🔥 Build habits. Break patterns. Beat the leaderboard.  |  📊 22 modules · 29 tables · 176 source files · 7 languages