【實用商業app】Scan To Ring|最夯免費app-綠色工廠好玩App

scan to ring is the doorbell 2.0 & concierge service for businesses.The scan to ring app sends you a push notification whenever somebody scans the scan to ring QR code at your frontdoor and selects your name. As a business user you can automate the whole visitor welcoming service. An account is required to use the app.