Yes, both Calendly and Quickflow offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Quickflow is designed for Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Quickflow Starts at $7/Month.
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.
Some top alternatives to Quickflow includes Microsoft Flow, Zoho Flow, Breakout, ZapUp by 500apps, Browserflow, automation.re, Qualified, Built.io Flow, Workvivo, Flowall, Cflow and Consider.