BuildBillRx · Case Study

Zero to TestFlight
in Under 3 Weeks

A full-stack field service app — GPS tracking, AI assistant, photo contracts, Stripe billing — built and deployed to Apple TestFlight in 18 days flat.

< 3 wks
Idea to TestFlight
10
Database Tables
5
App Screens

A field service company running
on paper, WhatsApp, and memory.

BuildBillRx operates a team of field technicians across multiple job sites daily. Scheduling happened over the phone. Job details were texted in group chats. Customer signatures were paper-based and impossible to track. Billing was manual and delayed.

The business was growing, but the operational chaos was growing faster. They needed a single system their entire team could use from a phone — and they needed it fast, before peak season hit.

The challenge: most app development timelines run 3–6 months minimum. They had 3 weeks.

We were losing 2–3 hours per day just coordinating jobs. Our techs didn’t know where to go, customers were waiting on invoices, and we had no visibility into anything.
BuildBillRx — Operations Director

A complete field operations platform
built in React Native.

We designed and built BuildBillRx — a full-stack mobile application for iOS and Android. The app handles every step of the field service workflow: job dispatch, GPS tracking, on-site documentation, photo capture, customer signatures, and invoice generation.

An embedded AI assistant helps techs fill out job notes, generate customer-facing summaries, and flag incomplete documentation before job close.

Stripe handles all billing. Clerk Auth handles team logins with role-based permissions. Supabase provides real-time sync across devices. Everything built on a 10-table PostgreSQL schema designed for scale.

React Native Expo Supabase PostgreSQL Stripe Clerk Auth AI Assistant GPS Tracking Photo Contracts
App Screens
Dashboard
Live map view · Active jobs · Team location
Job Detail
Customer info · Tasks · AI notes · Timeline
Photo Capture
Before/after photos · Customer signature
Billing
Stripe invoice · Payment status · History
AI Assistant
Job summaries · Note completion · Docs

18 working days, start to TestFlight.

Week 1

Discovery & Design

  • Workflow discovery sessions
  • Database schema design (10 tables)
  • UI wireframes (all 5 screens)
  • Supabase project provisioned
  • Tech stack finalized
Week 2

Core Build

  • React Native scaffold + Expo
  • Clerk Auth integration
  • GPS tracking + live map
  • Job CRUD operations
  • Photo capture + storage
Week 3

Billing, AI & Ship

  • Stripe billing integration
  • AI assistant embedding
  • Customer signature flow
  • Testing + bug fixes
  • TestFlight submission ✓

Every feature solving a real problem
the business had today.

Live GPS Tracking

Real-time technician location on a live map. Dispatch knows exactly where every team member is, at all times.

AI Job Assistant

An embedded AI helps techs write job notes, generate customer summaries, and ensure documentation is complete before closing.

Photo Contracts

Capture before/after job photos, collect customer signatures on-device, and store everything permanently in the job record.

Stripe Billing

Generate and send invoices directly from the app. Stripe handles payment processing. Zero manual billing workflow.

Role-Based Auth

Clerk Auth with custom roles — technicians, dispatchers, and admins each see only what they need.

Real-Time Sync

Supabase Realtime keeps every device in sync instantly. Job updates, status changes, and new assignments appear in seconds.

From paper chaos to a live app
their whole team uses daily.

BuildBillRx shipped to TestFlight in 18 days. The team onboarded in a single afternoon. Within the first week, dispatch time dropped significantly, job completion documentation went from inconsistent to 100% complete, and billing delays disappeared entirely.

The AI assistant became the highest-used feature — techs use it to dictate job notes hands-free and generate customer-facing summaries in seconds.

The system is now in daily production use across the entire team, handling dozens of jobs per day.

18 days
Idea to TestFlight
Full-stack app, live and in team hands
100%
Job Documentation Rate
Up from inconsistent paper records
0
Billing Delays
Stripe invoices sent same-day at job close

Want Results Like This
for Your Business?

Tell us what you’re trying to fix. We’ll scope the exact system to solve it — and have it live in weeks, not months.

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