GoToWebinar offers Free Trial, but Vidthere does not.
Vidthere is designed for Medium Business and Small Business.
GoToWebinar is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Vidthere Starts at $10/Month when Billed Yearly whereas for GoToWebinar Starts at $49/User/Month.
Some top alternatives to Vidthere includes Zoho Meeting, Adobe Connect, GoToWebinar, BigMarker, EasyWebinar, ClickMeeting, LiveWebinar, ezTalks Webinar, WebinarNinja and webinar.net.
Some top alternatives to GoToWebinar includes Zoho Meeting, ON24, EasyWebinar, ClickMeeting, LiveWebinar, ezTalks Webinar, Zoom Video Webinar, WebinarNinja, WebinarJam and eWebinar.