TapZap – Touch-Optimized POS for High-Speed Retail Billing TapZap is a touch-optimized POS billing interface designed for supermarkets, grocery stores, and high-traffic retail environments where speed and accuracy at the counter are critical. Built for real-world retail conditions, TapZap simplifies billing with a visual, category-based interface that allows staff to bill faster with fewer errors even during peak hours. It is ideal for stores handling large product catalogs, weight-based items, and high customer volumes. TapZap works seamlessly within the RetailPOS ecosystem, ensuring real-time inventory sync, GST-compliant billing, and accurate backend reporting while keeping the checkout experience smooth and intuitive.