Native Camera & ZBar Scanner
Decoded directly on-device with zero shutter lag. Continuous camera scan mode, supports EAN-13, EAN-8, UPC-A, Code 128, QR, plus handheld Bluetooth & USB laser guns.
Scan products, manage sales, and track your net profit in real time. KaissIO keeps your checkout moving—even when your internet connection doesn’t.
Every tool you need to speed up checkout, protect your cash, and understand your real daily profits.
Decoded directly on-device with zero shutter lag. Continuous camera scan mode, supports EAN-13, EAN-8, UPC-A, Code 128, QR, plus handheld Bluetooth & USB laser guns.
Know your exact profit before you hit tender. Real-time cost price (COGS), selling price, gross markup percentage, and net revenue calculated on every single transaction.
Replace messy paper notebooks. Assign tickets to customer debt tabs in 1 tap, log partial payments, and see total store receivables with instant statements.
Effortlessly sell by single piece, 6-pack, or master carton. Stock automatically counts down to the single unit with quantity-tiered discount pricing.
Power outage or cell network drop? The register never freezes. Every sale commits atomically to local SQLite and queues quietly for background cloud synchronization.
Direct Bluetooth wireless printing to standard 58mm and 80mm ESC/POS thermal ticket printers. Plus 1-click professional PDF receipts sent via WhatsApp.
Designed for minimal taps and instant cashier onboarding.
Aim your smartphone camera or pull the trigger on a Bluetooth scanner. Items, stock counts, and prices resolve in under 100 milliseconds.
Adjust units (piece vs carton). The checkout banner instantly shows total cost, retail price, and exact net profit before you collect payment.
Complete the sale with cash, card, or log it to the customer’s debt tab. Print a 58mm thermal receipt or send a WhatsApp PDF with one tap.
Cell coverage in retail markets and street shops is notoriously unreliable. KaissIO was built offline-first from day one: SQLite guarantees full ACID transactions locally, with an automated outbox queue that syncs quietly when connectivity returns.
No expensive proprietary POS hardware required.
Native driver support for 58mm & 80mm Bluetooth, Wi-Fi, and USB thermal receipt printers.
Use your Android phone camera, any Bluetooth HID barcode laser gun, or desktop USB scanners.
Generate clean, branded PDF ticket receipts and share them instantly with customers via WhatsApp.
Trigger standard RJ11 cash drawers automatically through connected thermal printer pulses.
Choose the tier that matches your store volume. Upgrade or downgrade anytime.
Essential POS tools for single-counter stores and solo merchants.
Complete retail intelligence for growing shops and team stores.
High-volume retail chains, franchises, and multi-branch networks.
Everything you need to know about KaissIO’s offline durability, hardware, and pricing.
Yes, 100%. KaissIO is engineered from the ground up as an offline-first system. Every sale, barcode scan, inventory adjustment, and debt entry is written atomically to an encrypted local SQLite database on your Android device. When your Wi-Fi or 4G returns, the app quietly synchronizes pending records in the background.
When ringing up a customer who pays on credit, simply tap "Add to Debt Tab" instead of Cash. You select or create the customer record, and the total is added to their ledger. When they come back to settle or make a partial payment, you log the cash deposit and KaissIO updates their balance and prints a receipt.
You can use your phone’s built-in camera with our native ZBar engine, or pair any standard Bluetooth wireless barcode gun or USB desktop scanner. For receipt printing, KaissIO supports all standard 58mm and 80mm ESC/POS thermal printers via Bluetooth or USB.
For every product you stock, you record both the purchase cost (COGS) and your retail selling price. As items are scanned into the cart, KaissIO automatically computes your gross profit margin percentage and net revenue before you complete the sale.
Yes. With the Pro plan, you can switch between up to 3 store profiles. You can assign staff as Store Owners, Managers, or Cashiers, and protect discounts, refunds, and cash drawer reconciliations with supervisor PIN codes.
Yes. In strict compliance with Google Play standards, you can delete your account and personal credentials directly in the app Settings, or submit a request on our public web portal at /delete-account without needing the app installed.