Almendro lets cafés, restaurants, bakeries and barbershops launch a digital stamp card that customers save in Apple Wallet or Google Wallet, with no app to download. Design it in 47 seconds, customers join by scanning a QR, staff stamp from any phone. Lock-screen push notifications, birthday campaigns, multi-location and human support in Spanish. Used by 1,000+ businesses in 14+ countries. 7-day free trial, no card.