Yes, both Callback Tracker and Calldrive offer a Free Trial.
Callback Tracker is designed for Large Enterprises, Medium Business and Small Business.
Calldrive is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Callback Tracker Starts at $14/Month whereas for Calldrive Starts at $39.99/Month.
Some top alternatives to Callback Tracker includes InstaContact, ProspectBoss CRM Dialer, Hello Hunter, CallCenterHosting Predictive Dialer, Callspot, LiveCaller, Click2Contact, LiveCall, LimeCall and Calldrive.
Some top alternatives to Calldrive includes Leadtosale, ChatFlow247, Dynamic Leads, Qualified, Workvivo, Click2Contact, LiveCall, CallPage, Novocall, LimeCall, IFTTT and SnapCall.