Yes, both HelpKit and HelpHub offer a Free Trial.
HelpKit is designed for Large Enterprises, Medium Business and Small Business.
HelpHub is designed for Medium Business and Small Business.
Pricing for HelpKit Starts at $15/Month when Billed Yearly whereas for HelpHub Starts at $39/Month when Billed Yearly.
Some top alternatives to HelpKit includes Notion, SmartSupport, FromNotion, HelpHub, Qualified, Workvivo, KnowledgeBase, Answerly, ClickHelp and IFTTT.
Some top alternatives to HelpHub includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, Support Hub, Motadata HelpDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, LabiDesk, HESK, Helpjuice and KnowledgeBase.