All work
SaaS · Mobile App · Operations2025Production Ready
Rental Cars Management.
A complete rental fleet management platform for independent and small-chain car rental operators — bookings, fleet status, contracts, payments, and customer KYC, all from a phone.
/ 01
Key features.
- Mobile-first booking flow with real-time fleet availability calendar
- Digital contract signing with embedded ID/license OCR
- Damage tracking with timestamped photo evidence per rental
- Automated invoicing + Stripe / local-payment integrations
- Maintenance schedule tracking with mileage and time-threshold alerts
/ 02
Architecture.
Mobile-first PWA + native React Native build sharing 80% of business logic. Booking state lives in PostgreSQL, served via tRPC; document scans pass through OCR before storage. Designed to work over slow networks — offline-tolerant booking creation that syncs when online.
/ 03
Tech stack.
- Frontend
- React Native + Expo for native mobile · Next.js for the operator dashboard
- Backend
- Node.js · tRPC
- Database
- PostgreSQL · Prisma · S3 for documents
- Infrastructure
- Expo EAS · Vercel · Stripe · Twilio for SMS
/ 04
Target users.
Independent rental operators, small fleet owners, regional chains
/ 05
Unique selling points.
- Operators run their entire business from a phone — no laptop required
- Local-payment integrations handle markets where Stripe doesn't reach
- 80% cheaper than enterprise FMS like RentWorks or Bluebird
/ 06
Monetization.
Per-vehicle SaaS subscription + transaction fee on bookings