CallJoy is described as 'Finally, small business owners can enjoy the same scalable customer service phone options as large corporations. CallJoy’s powerful cloud-based technology lets you delight your customers and stay focused on doing what you love most – your job' and is a Phone System in the business & commerce category. There are more than 10 alternatives to CallJoy, not only websites but also apps for a variety of platforms, including Android, iPhone, Mac and Windows apps. The best CallJoy alternative is Google Voice, which is free. Other great sites and apps similar to CallJoy are MightyCall, RingCentral, JustCall and Aircall.