Yes, both Olark and Zendesk Chat offer a Free Trial.
Olark is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zendesk Chat is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Zendesk Chat begins at $19/User/Month when Billed Yearly, while pricing details for Olark are unavailable.
Some top alternatives to Olark includes ZoomInfo Chat, LiveAgent, LiveChat, LiveEngage, MyLiveChat, Zendesk Chat, Intercom, Smartchat, LinkedChat, ChatFlow247 and Freshchat.
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.