Support.cc by 500apps offers Free Trial, but TestBox does not.
TestBox is designed for Medium Business and Small Business.
Support.cc by 500apps is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Support.cc by 500apps begins at $9.99/Month when Billed Yearly, while pricing details for TestBox are unavailable.
Some top alternatives to TestBox includes SalesCRM, Snappy, Tender Support, Support.cc by 500apps, SmartSupport, Little SaaS Communication, Qualified, Testimonial, Workvivo, KnowledgeBase, Promptly and IFTTT.
Some top alternatives to Support.cc by 500apps includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Deskero, Teamwork Desk, HelpDesk, SysAid, Jitbit Helpdesk, Snappy, CRMdesk, ReadyDesk, LabiDesk, HESK and BoldDesk.