Mobile App Development for Car Wash
Car wash is a high-frequency service with a short decision cycle. The client doesn't plan a visit a week ahead — they drive by or intentionally turn in if they see no queue. A car wash app must answer one question quickly: "When can I come?" We build such turnkey apps with quality guarantee and support. Loss of up to 30% of potential visits is the price of lacking a transparent queue.
How the App Solves the Queue Problem
The key feature is real-time wash status: "Free", "Short queue (10 min)", "Busy (30+ min)". Status updates automatically from the POS system or manually by an operator. This allows the client to decide without leaving home. Time savings — up to 30 minutes per day.
Pre-booking for a specific time slot — for those who want to arrive without waiting. Slots of 30-45 minutes depending on wash program. Online booking offers a bonus (10% discount or extra service), motivating users to book rather than come during peak hours.
Notification "Your time in 15 minutes" — via Firebase Cloud Messaging. The client doesn't forget their booking. Push notifications also inform about queue status changes.
Why Push Notifications Are Critical for Retention
Push notifications are the main channel for return visits. After the first wash, the app reminds the user in 2 weeks: "Time to wash your car?" with a personalized offer. We configure scenarios: subscription expiry reminder, weekly promotions, queue status updates. This increases repeat visits by 40%.
What POS Integration Brings
Integration with POS systems (Setcom, Quard, 1S) via REST API automatically updates wash status: as soon as the POS records start/end of service, the app displays the current queue. This eliminates human error — the operator doesn't need to manually switch statuses. Additionally, sales data flows into analytics: average ticket, hourly load, popular services.
Wash Program Cards
Visualization of wash programs with photos, included services, price, and estimated time. Not just a list — cards with image, description, and dynamic selection.
| Program | Body | Wheels | Drying | Time |
|---|---|---|---|---|
| Express | + | — | — | 15 min |
| Standard | + | + | + | 30 min |
| Premium | + | + | + polishing | 50 min |
Loyalty Card and Memberships
A "10 washes" membership is a popular mechanic. In the app: digital card with usage progress, QR code for scanning at the POS. QR generation via the qr_flutter package, scanning on the POS terminal side.
Cashback in points with each wash — motivation for repeat visits. Point balance always visible on the main screen. With a loyalty program, average ticket grows 15-20%.
"After app implementation, average ticket grew 20% — data from our CRM," notes the owner of a 5-location chain.
Geolocation and Network Map
For a chain: map of all locations with current load status. Custom markers with color indicators (green/yellow/red). On app open — automatic sorting by distance via geolocator. This increases booking conversion by 30%.
What's Included
We deliver:
- source code in Git (Flutter + Node.js/Laravel)
- full API and deployment documentation
- access to App Store Connect and Google Play Console
- staff training on the admin panel
- 3-month code warranty
Stack and Timelines
Flutter + Provider/Riverpod, Firebase Auth (SMS), FCM, REST API. For MVP backend: Node.js or Laravel.
| Stage | Timeline |
|---|---|
| Analysis and prototype | 1-2 weeks |
| MVP development | 4-6 weeks |
| Testing and bug fixes | 1-2 weeks |
| Deploy and publish | 1 week |
MVP (wash status, programs, booking, membership): 6-8 weeks. With network map and owner analytics — add 3-4 weeks. Cost is calculated individually.
Contact us for a detailed project assessment. Book a free consultation — we'll help define functionality and timelines.







