Yes, both BookSteam and Calendly offer a Free Trial.
BookSteam is designed for Large Enterprises, Medium Business and Small Business.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for BookSteam Starts at $19.95/Month whereas for Calendly Starts at $8/User/Month when Billed Yearly.
Some top alternatives to BookSteam includes Appointy, Calendly, SimplyBook.me, Microsoft Bookings, Cogsworth, Book Like A Boss, Scheduly, Bookeo, Visibook, SnapAppointments, ClickBook, Booking Social and CatchApp Bookings.
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.