Yes, both Calendly and Kizen offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Kizen is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Kizen Starts at $1,950/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 Kizen includes Outgrow, ActiveCampaign, CleverTap, Moosend, Jumplead, Omnisend, Zymplify, eTrigue, Selligent, Marketing Optimizer, ezTask.io, MarketingPlatform, Automizy, Zoho Marketing Automation and Ackwire.