Gear Crews - AI Auto Repair Shop Management | Flutter + NestJS Full-Stack

Gear Crews - AI Auto Repair Shop Management Platform

A complete, production-ready auto repair SaaS platform built with Flutter, NestJS, and React. Two apps in one — a full shop management system for owners and technicians, plus a consumer app for car owners — powered by 6 AI systems, OBD2 hardware integration, and subscription monetization.

🚀 Key Features

🏪 Shop Management (Business Side)

• Work Orders — Full lifecycle: Draft → Open → In-Progress → Completed → Closed

• Appointments — Calendar view, bay/technician assignment, consumer request handling

• Customer Management — Profiles, vehicle history, retention tracking, photo uploads

• Digital Vehicle Inspections (DVI) — Multi-item inspection with photos, condition tracking, customer sharing

• Invoicing & Payments — Line item invoices, Stripe online payments, customer portal

• Inventory & Parts — Stock tracking, low stock alerts, PartsTech integration, margin tracking

• Staff & Team — Roles (Owner, Manager, Technician, Service Writer), productivity tracking

• Reports & Analytics — Revenue, technician metrics, parts margin, customer retention charts

🤖 6 AI-Powered Systems

• AI Diagnostics — Chat-based sessions with DTC code interpretation and severity assessment

• AI Estimate Generation — Automated repair cost estimates with labor and parts suggestions

• Smart Invoice Verification — AI checks invoices before sending, pass/warning/fail scoring

• AI Customer Communication — Auto-generated recommendations and follow-up templates

• AI Receptionist — Twilio-powered automated call handling with transcription

• Voice Workflow — Hands-free operation with speech-to-text and voice-based diagnostics

🚗 Consumer App (Car Owner Side)

• My Garage — Vehicle profiles, VIN scanning, mileage tracking, fuel economy logs

• Diagnostics Hub — AI chat, OBD2 Bluetooth scanner, DTC code reading and history

• Shop Directory — Search by category (Oil Change, Brakes, Tires), ratings, book appointments

• Active Repairs — Real-time repair tracking, messaging with shop, service history

• Maintenance reminders and cost tracking per vehicle

🌐 Customer Portal (No App Install Required)

• Token-based access — no login needed for customers

• Work order status, DVI viewing, service history, messaging

• Online invoice payment via Stripe

• Appointment booking with customizable shop branding

⚙️ Advanced Modules (30+)

• Fleet Management — Multi-vehicle fleet accounts with fleet-specific pricing

• Multi-Location — Manage multiple shop locations with inventory rebalancing

• Dynamic Pricing — Rules-based pricing engine with impact reporting

• Labor Guide — Standard labor times with NHTSA TSB and recall lookup

• Predictive Analytics — Revenue forecasting and predictive maintenance

• EV Service — Battery health checks and EV-specific service tracking

• Tire Suite — Fitment lookup, DOT lookup, seasonal reminders

• CARFAX Integration — Vehicle history reports and mileage verification

• Marketing — Campaign builder and review management

• QuickBooks Integration — Accounting sync

• + ADAS Tracking, Auto Detailing, Quick Lube, Parts Predictor, Gamification & more

⚙️ More Features

• Offline-First — SQLite offline database with auto-sync when back online

• 7 Languages — English, Spanish, French, German, Italian, Japanese, Portuguese

• OBD2 Bluetooth — Hardware scanner integration via flutter_blue_plus

• Push Notifications — Firebase Cloud Messaging (FCM)

• Role-Based Access — Owner, Manager, Technician, Service Writer, Consumer

• Docker Deployment — One-command production deployment with Docker Compose

🛠️ Tech Stack

📱 Mobile App (Flutter)

• Flutter 3.38+ / Dart 3.10+ — iOS + Android, 60+ feature modules

• State management: Riverpod 2.6 · Navigation: go_router 14.x

• HTTP: Dio 5.x · Offline: SQLite (sqflite) with sync manager

• Bluetooth: flutter_blue_plus (OBD2) · Voice: speech_to_text

• Camera, GPS, QR/Barcode (VIN scanning), Charts: fl_chart

• Payments: in_app_purchase (StoreKit + Google Play Billing)

• i18n: 7 language ARB files · Notifications: Firebase FCM

⚙️ Backend (NestJS)

• NestJS 11 (TypeScript) — 70+ feature modules

• Database: PostgreSQL 16 · Cache: Redis 7

• AI: OpenAI / OpenRouter · Payments: Stripe · Voice/SMS: Twilio

• Auth: JWT + OAuth2 (Google, Apple) · Storage: Cloudflare R2 / AWS S3

• Docker Compose — production + development configs

🌐 Admin Panel

• React + Tailwind CSS web-based admin dashboard

• User management, subscription tracking, platform analytics

💳 Subscription & Monetization

• Monthly — $9.99/mo · Yearly — $109.99/yr

• Apple In-App Purchase (StoreKit) + Google Play Billing

• Stripe for customer portal online payments

• Feature gating per subscription tier

📦 What's Included

• 📱 Full Flutter source code — 60+ feature modules (iOS + Android)

• ⚙️ NestJS backend API — 70+ modules with migrations and email templates

• 🌐 React admin panel (web dashboard)

• 🐳 Docker Compose — one-command production deployment

• 📋 Environment config templates (.env.example)

• 🌍 7 language localization files (ARB format)

✅ Requirements

• Flutter 3.10.4+ / Dart 3.10.4+

• Android Studio · iOS Xcode (for iOS builds)

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

• Docker + Docker Compose (recommended for deployment)

• OpenRouter / OpenAI API key for AI features

🔧 Two apps in one. 6 AI systems. OBD2 hardware.  |  📦 70+ API modules · 60+ mobile features · 7 languages