Canon
EssentialPIM offers Free Trial, but Calendar does not.
EssentialPIM is designed for Medium Business and Small Business.
Calendar is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for EssentialPIM Starts at $39.95One-Time Payment whereas for Calendar Starts at $6/Month when Billed Yearly.
Some top alternatives to EssentialPIM includes Appointy, Calendly, Cogsworth, Book Like A Boss, EasyCalendar, Hupport, ScheduFlow, Office Tracker, Appointmind, i-Scheduling for Appointments, AdvancedScheduling and Calendar.
Some top alternatives to Calendar includes Appointy, Calendly, Cogsworth, Scedule, OpusTime, Book Like A Boss, Calendar.AI, EasyCalendar, Hupport, Office Tracker, Schedule it, Schedule.cc by 500apps and DaySchedule.