Yes, both Emma.ai and Calendly offer a Free Trial.
Emma.ai is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Emma.ai Starts at $12/Month whereas for Calendly Starts at $8/User/Month when Billed Yearly.
Some top alternatives to Emma.ai includes Appointy, Calendly, Square Appointments, Microsoft Bookings, Cogsworth, Book Like A Boss, hitAppoint, DaySchedule, Booking Social, Odoo Appointments, i-Scheduling for Appointments, Calendar 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.