Yes, both ScheduleOnce and Scheduly offer a Free Trial.
ScheduleOnce is designed for Large Enterprises, Medium Business and Small Business.
Scheduly is designed for Freelancers, Medium Business and Small Business.
Pricing for ScheduleOnce Starts at $10/User/Month when Billed Yearly whereas for Scheduly Starts at $9.99/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 Scheduly includes Calendly, Acuity Scheduling, Doodle, 10to8, Genbook, SuperSaaS, Square Appointments, Picktime, Setmore and Setster.