Yes, both CircleLoop and CallFire offer a Free Trial.
CircleLoop is designed for Freelancers, Medium Business and Small Business.
CallFire is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for CircleLoop Starts at $6.45/User/Month whereas for CallFire Starts at $99/Month.
Some top alternatives to CircleLoop includes Nextiva, Dialer360, CloudTalk, HoduCC, Call Center Studio, TelebuHub, Truly, 3CX, My Hotline and CloudCall.
Some top alternatives to CallFire includes Calltracks, CallView 360, TeleCapture, INVOX, Call Tracking Pro, Call Tracker, Caller Insight, CallTracking, Calls to Clients and iovox.