Yes, both Zoom and 10to8 offer a Free Trial.
Zoom is designed for Large Enterprises, Medium Business and Small Business.
10to8 is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Zoom Starts at $12.49/Month when Billed Yearly whereas for 10to8 Starts at $9.60/Month when Billed Yearly.
Some top alternatives to Zoom includes Livestorm, Cisco Webex Meetings, Google Meet, GotoMeeting, Cisco Webex Teams, BlueJeans Virtual Meetings, VideoMeet, Jitsi Meet, Video Window and Zip Conferencing.
Some top alternatives to 10to8 includes Appointy, Acuity Scheduling, Setmore, Calendly, Square Appointments, Cogsworth, Book Like A Boss, Scheduly, ClickBook, DaySchedule, Appointmind, i-Scheduling for Appointments and CatchApp Bookings.