Yes, both MakePlans and OpusTime offer a Free Trial.
MakePlans is designed for Large Enterprises, Medium Business and Small Business.
OpusTime is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for MakePlans Starts at $9/Month whereas for OpusTime Starts at $35/Month when Billed Yearly.
Some top alternatives to MakePlans includes Appointy, Calendly, Cogsworth, OpusTime, Book Like A Boss, SnapAppointments, ClickBook, Odoo Appointments, Web-appointments, i-Scheduling for Appointments, CalendarSpots.com and CatchApp Bookings.
Some top alternatives to OpusTime includes Appointy, Setmore, Calendly, Cogsworth, Book Like A Boss, Scheduly, SnapAppointments, Online Appointment Scheduler, ClickBook, Appointmind, Web-appointments, i-Scheduling for Appointments and Zoho Booking.
