Yes, both BigRadar and Crisp offer a Free Trial.
BigRadar is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Crisp is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for BigRadar Starts at $39/Month whereas for Crisp Starts at $25/User/Month.
Some top alternatives to BigRadar includes ZoomInfo Chat, LiveChat, ProProfs Chat, Crisp, LiveEngage, Lime Talk, Smartchat, LinkedChat, ChatFlow247, 13chats and Let's Connect.
Some top alternatives to Crisp includes ZoomInfo Chat, LiveChat, LiveEngage, Pure Chat, DeskMoz, MyLiveChat, Intercom, Smartchat, ChatFlow247, Freshchat and Let's Connect.