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Free Tools

See Where Your Shop
Is Losing Money

Free operational calculators built from the same logic that powers iShopMaster. No sign-up. No data stored. Just your numbers.

Repair Operations

Repair Job Profit Calculator

Find out exactly how much you make on each repair — after parts, labor, technician commission, and branch overhead. Enter the job details and see your real net margin.

Net profit per jobLabor cost calculationCommission breakdownMargin percentage ring
Calculate Now
Cash Management

Cash Drawer Variance Calculator

See how much an "acceptable" daily cash discrepancy is actually costing your shop over 1, 3, and 5 years. Most shops call it normal. The number will surprise you.

Annual loss per cashierMulti-cashier total exposure3 and 5-year projectionsBased on your real numbers
Calculate Your Loss
Inventory Security

Inventory Risk Grader

Answer 8 questions about how your shop currently tracks stock. Get a risk score showing exactly which gaps in your system are creating opportunities for loss.

8-question assessmentRisk score (0–100)Specific gap identificationPrioritised fix recommendations
Grade My Risk

iShopMaster calculates all of this automatically — for every job, every shift, every day.

No spreadsheets. No manual reconciliation. No blind spots.

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