Booking Calendar opens up your appointment book (and makes it two-way), an online scheduling app, entreatied attendees at the 24th Angel Forum held at the SFU Harbour Centre in Vancouver, to stop playing telephone tag and instead use their app to open up their appointment books BookingCalendar unlike other scheduling as, has its own API, and offers integration with Google Calendar, Quickbooks and other scheduling software. BookingCalendar also allows customers to make appointments, increasing efficiency while making the booking experience easier for both customers and businesses. And unlike an online calendar like Google Calendar, where a client can see all of your appointments, with Booking Calendar only relevant data to the client and business is displayed. Booking Calendar is currently earning revenue on a subscription model