Neither Intro nor ClickBook offers a free trial.
Intro is designed for Individuals, Large Enterprises, Medium Business and Small Business.
ClickBook is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Intro Starts at $5/Month whereas for ClickBook Starts at $19.95/Month.
Some top alternatives to Intro includes Appointy, Calendly, Square Appointments, Cogsworth, Book Like A Boss, Scheduly, ClickBook, DaySchedule, Booking Social, FlexBooker, Odoo Appointments, CalendarSpots.com and CatchApp Bookings.
Some top alternatives to ClickBook includes Appointy, Calendly, Cogsworth, Book Like A Boss, Scheduly, InScheduler, Online Appointment Scheduler, Appointmind, Web-appointments, i-Scheduling for Appointments, CalendarSpots.com, CatchApp Bookings and Zoho Booking.