CallScaler is described as 'The ultimate call tracking system for businesses and agencies. At only $0.50 per phone number, our call tracking software will scale your marketing campaigns with tracking, recording, routing & more!' and is a Phone System in the business & commerce category. There are more than 10 alternatives to CallScaler for a variety of platforms, including Web-based, Android, iPhone, iPad and Windows apps. The best CallScaler alternative is Ignitvio. It's not free, so if you're looking for a free alternative, you could try LiveCall or Freeje. Other great apps like CallScaler are RingCentral, JustCall, CallRail and Vumber.