Would you feel safe entering personal data, like credit card information, allergies, full names of your family on public devices having been used by others before and certainly also after you? We doubt so. And so do most probably your guests. The benefits from running an app based guest communication channel however base much on your guests booking and ordering your services in a self-service mode. Instead, offering all these services on the device of your guests (BYOD) will support a personal use.