Yes, both LiveHelpNow and HelpOnClick offer a Free Trial.
LiveHelpNow is designed for Medium Business and Small Business.
HelpOnClick is designed for Large Enterprises, Medium Business and Small Business.
Pricing for LiveHelpNow Starts at $9/Month whereas for HelpOnClick Starts at $7.20/User/Month when Billed Yearly.
Some top alternatives to LiveHelpNow includes ZoomInfo Chat, ClickDesk, Deskero, LiveAgent, HelpDesk, lemtalk, LabiDesk, LiveChat, Crisp, Zendesk Chat and HelpOnClick.
Some top alternatives to HelpOnClick includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, Crisp, DeskMoz, MyLiveChat, Zendesk Chat, Provide Support, WebsiteAlive and Smartchat.