Cloud appointment booking is a great way to quickly and easily accept appointments from your clients. The market is abundant with many vendors offering such services. We would not be exaggerating if we estimated that there are north of 100 companies offering cloud appointment services.There are a few things that set ScheduleOnce apart. The first one is the user interface. ScheduleOnce has invested in usability and look and feel probably more than any other vendor. Since ScheduleOnce first started from meeting scheduling, a much more complex and difficult process than appointment scheduling, it has learned about usability and UI the hard way. Other vendors which only do appointment scheduling have not given much thought to usability and user experience. We believe that since scheduling with customers is part of the sales process you cannot afford to provide less than an outstanding user experience.