Yes, both Chatlio and HelpOnClick offer a Free Trial.
Chatlio is designed for Large Enterprises and Medium Business.
HelpOnClick is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Chatlio Starts at $29/Month whereas for HelpOnClick Starts at $7.20/User/Month when Billed Yearly.
Some top alternatives to Chatlio includes ZoomInfo Chat, Microsoft Power BI, LiveChat, LiveEngage, MyLiveChat, Zendesk Chat, Intercom, Comm100 Live Chat, HelpOnClick, WebsiteAlive and LinkedChat.
Some top alternatives to HelpOnClick includes ZoomInfo Chat, ClickDesk, LiveAgent, LiveChat, Crisp, DeskMoz, MyLiveChat, Zendesk Chat, Provide Support, WebsiteAlive and Smartchat.