Yes, both CallAction and Nimbata offer a Free Trial.
CallAction is designed for Large Enterprises, Medium Business and Small Business.
Nimbata is designed for Large Enterprises, Medium Business and Small Business.
Pricing for CallAction Starts at $139/Month whereas for Nimbata Starts at $29/Month.
Some top alternatives to CallAction includes iSalesCRM, Truly, AvidTrak, CallView 360, Outleads, TeleCapture, Leadtosale, Call Tracker, TrackDrive and Calls to Clients.
Some top alternatives to Nimbata includes CallTrackingMetrics, CallRail, Calltracks, calltrak, TeleCapture, Call Tracking Pro, Call Tracker, Caller Insight, TrackDrive and CallTracking.