Calendly offers Free Trial, but ClickBook does not.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
ClickBook is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for ClickBook Starts at $19.95/Month.
Some top alternatives to Calendly includes Appointy, Acuity Scheduling, Setmore, Microsoft Bookings, Cogsworth, Book Like A Boss, Doodle, Tidycal, Cal.com, DaySchedule, Google Calendar, Calendar and Zoho Booking.
Some top alternatives to ClickBook includes Appointy, Calendly, Cogsworth, Book Like A Boss, Scheduly, InScheduler, Online Appointment Scheduler, Appointmind, Web-appointments, i-Scheduling for Appointments, CalendarSpots.com, CatchApp Bookings and Zoho Booking.