A till that never stops
Sales are saved on the shop computer first and upload in order when the connection returns. Staff sign in with their PIN offline. Receipts that did not print are tried again.
Point of sale for Sri Lankan shops
Run the shop.Know thenumbers.
The till, the stock book, the credit book, the reports and the owner's phone, in English, සිංහල and தமிழ். It keeps selling when the internet or the power goes.
- Languages on screen and paper
- 3
- Reports, by your business day
- 30+
- Ways to take payment
- 12+
- Internet needed to sell
- None
Built for Sri Lanka
Poya days on every chart and refused at the till for closed items. LankaQR with the amount filled in. VAT, SSCL, EPF and ETF worked out. WhatsApp first.
The owner's phone
Today's takings, the tills and staff on shift, live. Alerts about voids, discounts and cash. Lock a till or sign someone out from wherever you are.
What is in the box
Every part of the shop,one system.
Scroll on. Real screens from the app, each one showing the part it talks about.
Selling
Scan, search, pay.
Built for the counter: the scanner, the keyboard and a big Pay button. Every action has an F-key, and there is a touch mode for tablets.
- Search in English, Sinhala or Tamil, even typed in English letters
- Quantities, weighed items, scale labels and quick buttons
- Hold a sale, price check, discounts within each person's limit
- Twelve ways to pay, split any way, with cash rounding and change hints
Stock and suppliers
Know what you have.
Stock per branch with every movement recorded, deliveries with free issues, supplier bills, batches and expiry dates, and a forecast of what runs out when.
- Reorder points, low-stock alerts, stock takes with the phone camera
- Purchase orders, deliveries with 12+1 free issues, bills and what you owe
- Batches, expiry alerts, serial numbers and consignment stock
- Weighted average and FIFO value, shrinkage at cost, a 30-day forecast
Credit book
Credit without the notebook.
Credit accounts with limits, statements and ageing, payments at the till with a printed slip, and reminders on WhatsApp to customers who agreed.
- Limits and terms per account; over the limit needs a manager
- Statements, ageing, due dates and overdue amounts
- Payments at the till with a slip; bank transfers verified first
- Loyalty points, gift vouchers and store credit beside it
Customers
Found by phone number.
Each customer shows visits, spend, points and what they owe. Segments such as New, Loyal, VIP and At risk are worked out automatically every night.
- Customer 360: what they buy, when they come, feedback and messages
- Groups, tags, company accounts and merged duplicates
- Campaigns on WhatsApp, SMS and email, with consent and STOP
- Replies in one inbox; a shopping list becomes an order
Reports
Numbers you can act on.
Thirty reports by the business day your shop keeps, compared with the period before, with Poya days, holidays and your own diary notes on every chart.
- Sales, profit, peak hours, staff, customers, discounts, returns, cash
- Stock value, shrinkage, forecast, expenses, profit and cash flow
- VAT and SSCL, compliance calendar, accountant pack, bank loan pack
- Excel, CSV, A4 print, PDF, and a daily summary email
Monitoring
Every till, right now.
Who is on which till and in what state, alerts about voids, discounts and cash that a manager reviews and signs off, and a timeline of the day.
- Void spikes, big discounts, drawer differences, sales after closing
- A gentle till-habits score per person: a pattern, not proof
- Lock a till, sign someone out or change its settings remotely
- Optional camera snapshot at a void or refund
Owner's phone
The shop in your pocket.
Today's takings, the tills, staff on shift and items running low, live on any phone, with alerts as notifications and a few tools for the floor.
- Takings, transactions and basket against the same day last week
- Phone alerts for voids, discounts, drawer differences and after-hours sales
- Count stock with the camera, price check, door sale
- An evening summary and a Sunday coach message on WhatsApp
Staff and payroll
Roster to payslip.
Five roles with their own permissions, PIN sign-in at the till, clocking in by PIN, and monthly pay with EPF and ETF worked out.
- Owner, manager, cashier, inventory clerk, accountant
- Roster, attendance by PIN, holiday pay from the Sri Lankan calendar
- EPF 8% and 12%, ETF 3%, salary advances taken off
- A log of every price, setting and staff change
AI assistant
Ask in plain words.
Questions in English, Sinhala or Tamil answered from your own reports, with the figures they used. Prepaid credits, with a cap on every answer.
- Ask AI inside any report; answers cite the rows they used
- A product from a photo, a shelf photo, a supplier's bill photo
- A report from words, a weekly digest, festival playbooks
- Daily limits for the shop and for each person
Customer display
Show what they pay.
A second monitor, an Android tablet paired with a 6-digit code, or a 2-line pole display. Items, savings and the total in the customer's own language.
- LankaQR with the amount filled in, so nobody types it wrong
- Your slides and QR links while the till is idle, your colours
- Customers enter their number, rate the visit or sign for a credit sale
- Feedback faces and loyalty points on the thank-you screen
The whole system
Everything,in its place.
176 things ARC OS does today, sorted into seven parts of the shop's day. Pick a part, then a page.
01
Sell.
The counter, at full speed.
Everything that happens between a customer walking up and walking out with a receipt.
At the till
1 / 4Search in 3 languages
Scan, or type part of a name in English, Sinhala or Tamil, even in English letters.
Quantities and weights
3* then scan. Weighed items, and scale labels with the price or weight in the barcode.
Quick buttons
Bags, photocopies and anything without a barcode, one tap away.
Hold and resume
Park a sale, serve the next person, bring it back on any till.
Price check
Scan to see price, MRP and stock without adding anything.
Discounts with limits
Per line or whole sale, % or Rs. Over a person's limit, a manager's PIN.
Price override
Never above MRP, never below the floor. Approved and logged.
Customer by phone
Attach a customer by number, or create one in a second.
F-keys and touch mode
Every action has a key, shown on screen. Big targets for tablets.
Age and Poya rules
An age check once per sale. Poya-closed items refused on the day.
Quick add
Unknown barcode? Prefilled from the shared Sri Lankan catalogue.
Product help
The AI answers a cashier's question about an item from its own data.
Self-checkout kiosk
Customers scan their own basket; the counter takes payment.
Sells offline
Sales saved on the computer with an OFF number, uploaded in order.
Print queue
A receipt that did not print is tried again when the printer is ready.
Your kind of shop
Made for the shopyou actually run.
Open one. The same app, with the parts that matter to you up front.
Grocery01
The corner shop and the mini mart
Fast scanning, loose items by weight, a credit book for regulars, and a till that keeps going through the power cut.
- Weighed rice, sugar and dhal with scale labels
- Credit accounts with limits and WhatsApp reminders
- Expiry dates and rep visit days
- Sells offline, uploads later
Pharmacy02
Batches, expiry and the CAA price
Every pack tracked by batch and expiry, controlled prices that cannot be crossed, and labels in the customer's language.
- Batch and expiry alerts before the date
- CAA price guard on controlled items
- Serial numbers for devices
- Sinhala and Tamil receipts
Fashion03
Sizes, colours and exchanges
Variants without a mess, a return window that is yours to set, and promotions for the season.
- Size and colour variants from one product
- Exchange-only returns and a return window
- 2 for 1 and festival promotions
- Gift vouchers and store credit
Phones04
Serials, warranties and instalments
Each handset by serial number, buy now pay later at the till, and reloads on commission.
- Serial numbers from delivery to sale
- Koko and Mintpay as tenders
- Reloads and bill payments on commission
- A4 invoices with TIN
Café05
Tables, the kitchen and tips
Open tables, tickets with only what changed, service charge and tips kept apart from profit.
- Kitchen tickets to the kitchen printer
- Notes for the kitchen on any line
- Service charge and tips
- A self-checkout kiosk
Hardware06
Thousands of items, sold by the piece or the pack
Break a carton into pieces from one stock, quote a job, take a deposit, deliver later.
- Packs and break-pack units
- Quotations and customer orders
- Layaway deposits
- Stock per branch with transfers
Getting started
From first callto first sale.
Three days with everything switched on. No payment details asked for.
See the plans- 01
Book a call
Choose a time that suits you. We ring to learn about the shop.
- 02
We come to you
We visit and install ARC OS on the shop computer. Windows 10 or 11, or a Mac.
- 03
Start the trial
We set up the 3-day trial with you, with everything switched on.
- 04
First sale
Scan an item, press Pay. Everything you enter stays when you buy a licence.
Hardware
Works with whatshops already have.
Computer
Windows 10 or 11 (64-bit, 4 GB), Mac, or an Android tablet as a till.
Receipt printers
ESC/POS thermal, 58 or 80 mm, USB or network. Kitchen printers. Any A4 printer.
Cash drawers
Opened by the receipt printer on cash sales. Every opening logged.
Scanners and scales
USB keyboard-wedge scanners, 2D for QR, label-printing scales.
Customer displays
A second monitor, an Android tablet, or a 2 × 20 pole display.
Labels
Thermal label printers, or 24, 40 and 65-up A4 sticker sheets.
Plans
Every plan hasthe whole app.
- Every plan has the whole app
- Pay for 3, 6 or 12 months
- AI and messages from one prepaid credit wallet
- Prices on request
Starter
One owner, one staff account, one till
- Staff
- Owner + 1
- Tills
- 1
- Branches
- 1
Growth
One owner, three staff accounts, two tills
- Staff
- Owner + 3
- Tills
- 2
- Branches
- 1
Pro
One owner, ten staff accounts, five tills, three branches
- Staff
- Owner + 10
- Tills
- 5
- Branches
- 3
Ready to run the shop with ARC OS?
Book a call and we come to the shop to set it up. Three days with everything switched on, no payment details, and everything you enter stays when you buy a licence.