Yes, both ScheduleOnce and SnapAppointments offer a Free Trial.
ScheduleOnce is designed for Large Enterprises, Medium Business and Small Business.
SnapAppointments is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ScheduleOnce Starts at $10/User/Month when Billed Yearly whereas for SnapAppointments Starts at $14.99/Month.
Some top alternatives to ScheduleOnce includes Appointy, Acuity Scheduling, Calendly, Scheduly, SnapAppointments, DaySchedule, Appointmind, Web-appointments, i-Scheduling for Appointments and CatchApp Bookings.
Some top alternatives to SnapAppointments includes Appointy, Setmore, Calendly, Cogsworth, OpusTime, Book Like A Boss, Scheduly, Online Appointment Scheduler, GoSchedule, DaySchedule, Web-appointments, i-Scheduling for Appointments and Zoho Booking.