Yes, both Campaign Monitor and MakePlans offer a Free Trial.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
MakePlans is designed for Large Enterprises, Medium Business and Small Business.
The starting price of MakePlans begins at $9/Month, while pricing details for Campaign Monitor are unavailable.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.
Some top alternatives to MakePlans includes Appointy, Calendly, Cogsworth, OpusTime, Book Like A Boss, SnapAppointments, ClickBook, Odoo Appointments, Web-appointments, i-Scheduling for Appointments, CalendarSpots.com and CatchApp Bookings.