Yes, both SimplyBook.me and checkAppointments offer a Free Trial.
SimplyBook.me is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
checkAppointments is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SimplyBook.me Starts at $8.25/Month when Billed Yearly whereas for checkAppointments Starts at $24.95/Month.
Some top alternatives to SimplyBook.me includes Calendly, Square Appointments, Calendify, Scheduly, GoDaddy Website Security, ClickBook, FlexBooker, CalendarSpots.com, Calendpage and Zoho Booking.
Some top alternatives to checkAppointments includes Appointy, Calendly, Cogsworth, Book Like A Boss, Scheduly, SnapAppointments, ClickBook, GoSchedule, hitAppoint, DaySchedule, Appointmind, Web-appointments and CalendarSpots.com.