Yes, both Crisp and HelpOnClick offer a Free Trial.
Crisp is designed for Individuals, Freelancers, Medium Business and Small Business.
HelpOnClick is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Crisp Starts at $25/User/Month whereas for HelpOnClick Starts at $7.20/User/Month when Billed Yearly.
Some top alternatives to Crisp includes ZoomInfo Chat, LiveChat, LiveEngage, Pure Chat, DeskMoz, MyLiveChat, Intercom, Smartchat, ChatFlow247, Freshchat and Let's Connect.
Some top alternatives to HelpOnClick includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, Crisp, DeskMoz, MyLiveChat, Zendesk Chat, Provide Support, WebsiteAlive and Smartchat.