Kaynko POS
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Guides for running your shop
Practical how-tos for small retailers — selling offline, setting up hardware, managing staff, and keeping track of customer credit.
What Is an Offline POS App — and Why It Matters When Your Internet Isn't Reliable
What "offline-first" actually means, and why it matters more than almost any other feature for a retailer with unreliable internet.
Getting startedHow to Turn Any Android Phone Into a Cash Register in Minutes
No separate terminal needed — how a point-of-sale app turns the phone you already own into a working till.
Hardware setupBluetooth Thermal Printer Setup for Android POS Apps: A Step-by-Step Guide
How to pair a Bluetooth receipt printer with an Android POS app, and what to check if it won't connect.
Hardware setupCamera Barcode Scanning for Retail Billing: Do You Still Need a Separate Scanner?
What a phone camera can and can't do as a barcode scanner, and when a dedicated scanner is still worth it.
Team managementMulti-Cashier PIN Logins: Why Shared Devices Need Per-Staff Accountability
Why one shared login on a shop's till is a problem, and how PIN-based staff accounts fix it.
Admin & accountingTracking Customer Debt and IOUs in a Retail Shop: A Practical Guide
Moving customer credit out of a notebook and into something that actually tracks balances and payments.