GuidesShops
What a Shop POS Has to Do Before It Is Worth Using
A shop POS is worth using when a sale reduces the right stock, a receipt matches the amount taken, and the owner can see the day's cash, card, and credit without a second notebook. A medical store also needs batches and expiry. A grocery shop needs weight and pack sizes. A mart needs several cashiers on one product list. A mall or department store needs separate departments. Card numbers stay on the payment device the shop already uses. Hourly work to build this is $35.
The minimum that is the same in every shop
- A product the cashier can find by name or barcode, with a price.
- Stock that goes down when the item is sold, and goes up when a delivery is received.
- A receipt the customer can be given, with the lines and the total.
- A staff login, so a sale belongs to a person and a shift.
- An end-of-day figure: cash, other payments, and what the drawer should contain.
If the app does those five things and the owner trusts the total, it is a POS. Everything else is the part that makes one shop unlike another.
Where the shop types differ
| Shop | What a generic till gets wrong |
|---|---|
| Medical store | One row for a medicine, while two batches have two expiry dates |
| Grocery shop | A price per piece, while rice is bought by the sack and sold by the kilo |
| Mart | One cashier, while four counters sell the same stock during the same hour |
| Mall or department store | One product list, while garments, electronics, and grocery are different counters |
Payments and hardware
Cash, a customer who pays later, and a card or wallet payment can sit on one sale. The card number stays on the terminal or the provider the shop already uses. The app stores that a payment of that amount happened. It does not store the card.
A barcode scanner and a receipt printer are ordinary hardware. They are tested with the counter you have. I do not claim an untested scanner, scale, or printer will work because the brand is common.
- POS and store apps
- Medical store: batch and expiry
- Grocery: weight and perishables
- Mart: several cashiers
- Mall: departments and counters
Questions this page answers
Is a spreadsheet a POS?
A spreadsheet can list products. It cannot be the till and the stock file at the same time once two people sell, or once a sale has to reduce a batch, a weight, or a size. That is when the shop needs software.
Do you sell a ready-made POS?
No. I build the counters, products, and reports for that shop. You own the code. A clothing shop, a hardware shop, or an electronics counter is the same kind of build once the options and units are listed.
Will it file my taxes?
No. Prices can include the tax rate you enter. The app does not file a return and it is not a claim that every country's tax rules are built in.
Keep going
Want this applied to your workflow?
Hourly work is $35. A fixed fee is a custom quote after we define the scope.