Yes, both Customerly and Contact At Once offer a Free Trial.
Customerly is designed for Large Enterprises, Medium Business and Small Business.
Contact At Once is designed for Medium Business and Small Business.
Pricing for Customerly Starts at $24/Month when Billed Yearly whereas for Contact At Once Starts at $1,100/Month.
Some top alternatives to Customerly includes ZoomInfo Chat, Indemandly, LiveAgent, LiveChat, Crisp, Intercom, Userlike, Comm100 Live Chat, Natterly and LivePerson.
Some top alternatives to Contact At Once includes ZoomInfo Chat, LiveAgent, LiveChat, Crisp, LiveEngage, MyLiveChat, Smartchat, raychat, LinkedChat, ChatFlow247 and Let's Connect.