Yes, both Appointlet and Boost.space offer a Free Trial.
Appointlet is designed for Medium Business and Small Business.
Boost.space is designed for and undefined.
Pricing for Appointlet Starts at $8/User/Month when Billed Yearly whereas for Boost.space Starts at $39.00per month when Billed Yearly.
Some top alternatives to Appointlet includes Appointy, Calendly, Microsoft Bookings, Cogsworth, Book Like A Boss, Scheduly, ClickBook, DaySchedule, SimplyMeet.me, Web-appointments, CatchApp Bookings, Calendpage and Zoho Booking.
Some top alternatives to Boost.space includes Quickbase , Smartsheet, ClickUp and Zoho Projects.