Car Wash Daily Cash Close and Worker Commission Sheet

Car Wash Daily Cash Close is an offline app (one HTML file in a zip) for a hand car wash or a small detailing shop. You list your services with their price and the commission each car earns, and your workers. Every wash is one line: plate, service, worker, discount and how it was paid. At the end of the day you count the till and the app tells you whether it matches.

The problem it removes: At the end of the day the owner adds up commission per worker from scribbled tallies, argues about who washed what, and cannot tell whether a short till is a mistake or a theft. This app works out commission per car as the washes are logged, and gives the expected cash for the day so the difference is visible the same evening.

What is inside:

• A service list with the price and the commission paid per car for each service
• Workers, with cars washed and commission for today and for the month
• A wash log with service, worker, discount, tip, and cash, card or account payment
• Cash outflows for the day: advances to workers and small purchases paid from the till
• A daily cash close: expected cash, cash counted, and the difference, with a note that must be written when the till does not match
• A printed day sheet with the washes and totals, and a printed monthly commission slip per worker
• Example data you can load in one click, a Start here guide and an Honest limits panel
• JSON backup and restore, CSV export, and CSV import with a check of every row before anything is added

Who it is for: owners and cashiers of hand car washes and small detailing shops with up to ten workers, who pay commission per car and count the till every evening.

What it is NOT: It does not run a card terminal, track subscribers or book appointments. Account payments are only recorded as not in the till. Commission is a fixed amount per service, optionally reduced when a discount is given. It does not hold payroll or deduct advances from salary. It is not legal, tax or accounting advice, it is not connected to any government system, bank or messaging service, and it does not file or send anything by itself. UAE e-invoicing is not part of it.

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Verified by us: scripted tests in Chromium (166 checks through the real screens: adding, editing and deleting records in every table, required-field messages, backup then clear then restore, CSV export then import, keyboard order, print layouts rendered to PDF, no horizontal scrolling at 375 and 1280 pixels, no network requests) and an independent recalculation by a separately written Python evaluator of 1605 calculated values (25 randomised rows plus the example data) with 0 mismatches. Safari engine (WebKit): smoke test passed; Firefox: could not be launched. Not tested: Firefox beyond what is stated here, and no real printer was used (print layouts were checked as PDF).