Yes, both HelpHub and ChatbotGPT offer a Free Trial.
Pricing for HelpHub Starts at $249/month whereas for ChatbotGPT Starts at $25/month.
HelpHub offers several advantages, including Semantic search functionality, Instant answers to FAQs, Visually appealing in-app widget, Syncs with any public URL, Syncs with pre-existing help centers and many more functionalities.
The cons of HelpHub may include a No offline functionality, Limited customization, No multi-language support, Cannot import/export data. and No mention of performance optimisation