Yes, both Live800 and Contact At Once offer a Free Trial.
Live800 is designed for Large Enterprises, Medium Business and Small Business.
Contact At Once is designed for Medium Business and Small Business.
Pricing for Live800 Starts at $1,329/Year whereas for Contact At Once Starts at $1,100/Month.
Some top alternatives to Live800 includes ZoomInfo Chat, LiveAgent, LiveChat, Contact At Once, Crisp, DeskMoz, Smartchat, raychat, iAdvize, ChatFlow247 and Let's Connect.
Some top alternatives to Contact At Once includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, MyLiveChat, Smartchat, raychat, LinkedChat, ChatFlow247 and Let's Connect.