GUMPTIONSOFTWARE

Shop software for auto repair · Made in Ontario

Run the shop. Not the paperwork.

Gumption Invoicer writes your estimates and invoices, keeps your parts, customers and bookings straight, and tells you what you actually made this month. It runs on your own PC, works without internet, and costs one price, once.

Free trial: your first 10 invoices and estimates. No card, no sign-up.

INVOICEINV-0181
Vehicle2016 Honda Civic · VIN 2HGFC2F5… Odometer121,400 in · 121,412 out Authorizedby phone, 9:20 AM
LineQty/HrsAmount
Front brake pads & rotors1.5$180.00
BP-F-CER Brake pads, ceramic (New)1$89.95
RT-F-STD Front rotor (New)2$239.90
Shop supplies1$9.00
Subtotal$518.85 HST (13%)$67.45 Total$586.30

Estimate EST-0021: $560.00. Parts and labour warranted 90 days or 5,000 km. The Consumer Protection Act, 2002 provides you with rights in relation to having a motor vehicle repaired…

$777 onceNo monthly fee, ever
2 PCsper licence
Free updatesfor Gumption Invoicer, for life
OfflineYour data stays on your computer

What it does

Everything at the front counter, in one program.

Built for one- to three-bay independent garages. Open it in the morning, and it is all there: today's bookings, the estimate waiting for a yes, the parts running low, and what you are owed.

EST-0021 → INV-0181

Estimates and invoices

Write the estimate, get the OK, convert it to an invoice in one click. Payments, deposits and balances keep themselves straight.

CPA 2002 · O. Reg. 17/05

Ready for Ontario's repair rules

Authorization record, the 10% over-estimate limit, odometer in and out, new/used/reconditioned parts, warranty and the required statement, printed for you.

P0300 · P0420 · U0100

Trouble code lookup

Thousands of OBD-II codes with likely causes and typical labour time. Send the code straight onto an invoice.

Stock 4 · Min 4

Parts and inventory

Parts come off the shelf as you invoice them. Low-stock warnings, a barcode scanner box, and cost tracking for real margins.

Bay 1 · Bay 2

Schedule

Book by day, week or month, per bay or tech. Drag to move a job, and turn the booking into an invoice when the car rolls in.

HST collected · Receivables

Finances

Sales, tax collected, expenses, recurring rent and insurance, and who still owes you. A clean report for your accountant.

VIN · Plate · History

Customers and vehicles

Every car with its VIN, plate and odometer, and its full service history. Business and fleet accounts too.

.csv · .xlsx · .ics

Bring your old data

Import customers, vehicles, parts, invoices, expenses and calendars from your old program or spreadsheets. A backup is made first.

Hover for help

General Gumption

A friendly helper who explains any tab or button when you rest the mouse on it. Turn him off once you know your way around.

Have a look

What it looks like on the counter PC.

The Schedule tab: a week of bookings across two bays, colour-coded by status.
The week at a glance. Each booking shows the customer, the car and the job, coloured by status. Drag one to move it.

Software

Gumption Invoicer

Download it, use it for your first 10 invoices and estimates, and buy a licence when you are sure it fits your shop.

Gumption Invoicer

for Windows

Runs on
Windows 10 or 11
Internet
Not needed to work
Free trial
10 invoices and estimates
Licence
$777, one time, 2 PCs
Updates
Install themselves, free
Backups
To your PC, USB or Google Drive
Download for Windows

Viewing, printing and backups always keep working, even after the trial.

  1. Try it first

    Install the free trial and run real jobs through it. Your data carries over when you activate.

  2. Send $777 by Interac e-Transfer

    Send it to the address below. In the message, write your business name and the email address where you want your activation code.

    gumptionsoftware@gmail.com
  3. Get your activation code

    We email your code and a receipt within one business day of receiving the payment.

  4. Activate

    In Gumption Invoicer, open License & Updates, then License…, paste the code and click Activate. The code works on two PCs.

No HST is charged. Licences are not refundable, so please use the free trial first. By activating you agree to the licence agreement.

About

Small software for small shops.

Gumption Software is an Ontario software company making practical programs for independent trades businesses, starting with auto repair.

Most shop software now lives in the cloud and bills you every month, for as long as you own the shop. Gumption Invoicer works the other way: you buy it once, it runs on your own computer, and your customers' information never leaves your shop unless you back it up somewhere yourself.

Every licence includes all future updates to Gumption Invoicer. Next on the workbench: payroll, and a full bookkeeping program that brings all of a small business's money into one place.