Yes, both SignalZen and HelpOnClick offer a Free Trial.
SignalZen is designed for Large Enterprises, Medium Business and Small Business.
HelpOnClick is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SignalZen Starts at $25/Month whereas for HelpOnClick Starts at $7.20/User/Month when Billed Yearly.
Some top alternatives to SignalZen includes ZoomInfo Chat, LiveChat, Crisp, MyLiveChat, Zendesk Chat, Lime Talk, Chatlio, HelpOnClick, Smartchat, LinkedChat and Sitelip.
Some top alternatives to HelpOnClick includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, Crisp, DeskMoz, MyLiveChat, Zendesk Chat, Provide Support, WebsiteAlive and Smartchat.