Yes, both Chatlio and Zendesk Chat offer a Free Trial.
Chatlio is designed for Large Enterprises and Medium Business.
Zendesk Chat is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Chatlio Starts at $29/Month whereas for Zendesk Chat Starts at $19/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 Zendesk Chat includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, Intercom, Comm100 Live Chat, Smartchat, raychat, Freshchat, RingCentral Engage Digital and Let's Connect.