Yes, both SmartSupport and Userflow offer a Free Trial.
SmartSupport is designed for Large Enterprises, Medium Business and Small Business.
Userflow is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Userflow begins at $40.80/Month when Billed Yearly, while pricing details for SmartSupport are unavailable.
Some top alternatives to SmartSupport includes KBPublisher, Drupal Wiki, TWiki, KnowledgeBase Manager Pro, Omnistar Kbase, Talisma KnowledgeBase, KnowledgeOwl, PaceKB, KnowledgeBase and ProProfs Knowledge Base.
Some top alternatives to Userflow includes UserGuiding, Userlane, Appcues, Userpilot, EdCast MyGuide, AppLearnAdopt, Inline Manual, Usetiful, Experience Layer and Driftly.