StampChat – Digital loyalty cards powered by WhatsApp StampChat transforms the traditional paper-stamp card into a fully digital, QR-based loyalty system. Customers simply scan a QR code, no app download needed and receive their “stamp” straight in WhatsApp, with instant confirmation and tracking. As a business owner, you get real-time analytics, customer behaviour insights, and automated reward redemption. Ideal for cafés, salons, barbers, car washes and other small businesses looking for a simple, low-friction way to build customer loyalty and repeat visits.