Yes, both Contact At Once and LiveChat offer a Free Trial.
Contact At Once is designed for Medium Business and Small Business.
LiveChat is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Contact At Once Starts at $1,100/Month whereas for LiveChat Starts at $16/User/Month when Billed Yearly.
Some top alternatives to Contact At Once includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, MyLiveChat, Smartchat, raychat, LinkedChat, ChatFlow247 and Let's Connect.
Some top alternatives to LiveChat includes ZoomInfo Chat, ClickDesk, LiveAgent, Tidio Chat, LiveEngage, Zendesk Chat, Smartchat, LinkedChat, ChatFlow247, Freshchat and ChatAndBot.