Yes, both AppointmentThing and Calendly offer a Free Trial.
AppointmentThing is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for AppointmentThing Starts at $8/Month when Billed Yearly whereas for Calendly Starts at $8/User/Month when Billed Yearly.
Some top alternatives to AppointmentThing includes Appointy, Calendly, Cogsworth, Book Like A Boss, Scheduly, SnapAppointments, ClickBook, DaySchedule, Appointmind, Web-appointments, i-Scheduling for Appointments, CatchApp Bookings and Zoho Booking.
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.