ClickHelp offers Free Trial, but Slick does not.
ClickHelp is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Slick is designed for Medium Business, Small Business and Individuals.
Pricing for ClickHelp Starts at $150/Month when Billed Yearly whereas for Slick Starts at $6.58per month when Billed Yearly.
Some top alternatives to ClickHelp includes GitBook, SmartSupport, HelpHub, Uphint, DeveloperHub.io, Qualified, Workvivo, Docstring, Slick, Dokit and PointHelp.
Some top alternatives to Slick includes SimplyDocs, Documint, DocSavy, Bobson, Speedy Newsletter, INSPAKT DOC PLATFORM, Sizle, Qualified, Workvivo, Storydoc, Quill.app and DeftPDF.