Yes, both hitAppoint and Calendly offer a Free Trial.
hitAppoint is designed for Large Enterprises, Medium Business and Small Business.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Calendly begins at $8/User/Month when Billed Yearly, while pricing details for hitAppoint are unavailable.
Some top alternatives to hitAppoint includes Appointy, Calendly, Cogsworth, OpusTime, Book Like A Boss, SnapAppointments, Online Appointment Scheduler, ClickBook, DaySchedule, WebCommander Appointments, Web-appointments, i-Scheduling for Appointments and CalendarSpots.com.
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.