KnowledgeBase offers Free Trial, but TestBox does not.
TestBox is designed for Medium Business and Small Business.
KnowledgeBase is designed for Large Enterprises, Medium Business and Small Business.
The starting price of KnowledgeBase begins at $59/Month, 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 KnowledgeBase includes KBPublisher, SmartSupport, KnowledgeBase Manager Pro, Omnistar Kbase, Talisma KnowledgeBase, IntelligenceBank KM, Helpjuice, KnowledgeOwl, Qualified, Workvivo, PaceKB and ProProfs Knowledge Base.
