For independent repair shops

A quiet, sturdy Mac app for running a repair shop.

Tickets, customers, invoices, receipts — all on your Mac, where they belong. No cloud account. No monthly per-seat maths. Open it and it works.

Download on the Mac App Store See it in action
SimpleRTS dashboard

I built SimpleRTS for my own shop, because the software I could find was either priced for chain stores or wanted to keep every customer I had ever taken on a server somewhere in Virginia. Neither felt right.

— Jacek, M&J Repairs, Penrith

01 — Tickets

Every job from walk-in to collection, on one screen.

Open the app and you already know where each job stands. New, in repair, completed, collected. No digging through tabs. No loading spinner. The shop is there.

  • Status updates automatically as you add parts, mark complete, or hand the device back
  • Warranty jobs are marked clearly so they don't get mixed with paid repairs
  • Right-click to create, complete, or reassign — no menu hunting
SimpleRTS ticket list
02 — Intake

Let the queue form itself while you're on the bench.

Prop an iPad at the counter or print a QR code. Customers scan it, type their name and what's wrong with the device, and it lands in the intake queue. One click and it's a ticket.

  • Runs on your local Wi-Fi — no internet required
  • Customer fills in their own name, email and description — no deciphering handwriting
  • Photos can be added straight from their phone via a QR on the ticket
SimpleRTS customer intake screen
03 — Invoices & Receipts

Receipts that look like you know what you're doing.

Itemised, branded with your shop details, with your own terms and conditions at the foot. 80mm thermal or A4 — both come out of the box. No watermarks, no "Powered by" line, no ad for someone else's SaaS.

  • One click to generate, print, or email as PDF
  • Separate invoice and receipt templates for business vs. private customers
  • Numbering resets by year, zero-padded, formatted the way UK accountants expect
SimpleRTS generated receipt

And the smaller things that add up to a good day.

Customer records

History at a glance

Every device, every past repair, every note — visible the moment a regular walks in.

Notes & reminders

For the things you'd forget

Chase a part. Ring a customer on Thursday. Nothing gets lost on the back of a receipt.

Warranty rejection

Evidence, not arguments

Rejected warranty claims generate a customer email with photos attached explaining why.

Text updates

SMS via Twilio

Send check-in, completion and collection messages from your own Twilio number. Outbound only, by design.

Your data

Everything stays on your Mac. Including every customer you've ever had.

No cloud account. No sync service. No "anonymised analytics" quietly phoning home. The database is a file in your Application Support folder, and that file is yours.

This isn't a marketing position — it's how the app is built. There's no server to turn on. Which means there's also no server to breach, no subscription you'll lose access to if I get hit by a bus, and nobody between you and your customers' information.

0
external servers your data ever touches
0
accounts, logins or cloud sign-ups required
1
backup file contains everything — portable, yours

Honest about who this is for.

A good fit

  • Independent repair shops with one or two people at the bench
  • Shops where the owner still answers the phone
  • Techs tired of renting their own data
  • UK businesses that want VAT-sensible invoicing
  • People who like Mac software that behaves like Mac software

Not a fit

  • Chains with multiple locations needing central reporting
  • Teams that need real-time sync across several Macs
  • Shops that want full stock/inventory management
  • Anyone who'd rather have a Windows or web version today
Why this exists

Built in a workshop in Cumbria, by someone who still fixes phones.

I'm Jacek. I run M&J Repairs in Penrith. I kept trying repair shop software and kept running into the same two problems: I was either paying £40 a month for features designed for a chain of ten stores, or being asked to trust my customer database to a company I'd never heard of whose privacy policy changed every six months.

So I built the thing I wanted — an app that runs on my Mac, stores everything locally, doesn't need internet to print a receipt, and doesn't expect me to sign up for a subscription in three different places to make it all work.

If it's useful to you, I'm glad. If it's missing something your shop needs, write in. Every email gets read.

Jacek Szymaniewski Founder — M&J Repairs Ltd · Penrith, Cumbria

One price. Everything included.

No seat tiers, no feature gates, no "talk to sales". Cancel any time from the App Store.

SimpleRTS
£9.99/month
  • Unlimited tickets, customers, invoices and receipts
  • Customer intake, warranty handling and SMS
  • All future updates included
  • 14-day free trial · cancel anytime
Download on the Mac App Store

Available on macOS 14 or later · Subscription managed through Apple