Yes, both Calendly and Churni offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Churni is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Churni Starts at $99/Month when Billed Yearly.
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 Churni includes Parlor, ChurnZero, ClientSuccess, Custify, ChurnTarget, Freshdesk Customer Success, Churnly, Churn360, Freshdesk Customer Success (Formely Freshsuccess) and BurnChurn.