CKEditor 4 offers Free Trial, but Sassbook does not.
CKEditor 4 is designed for Large Enterprises, Medium Business and Small Business.
Sassbook is designed for Medium Business and Small Business.
Pricing for CKEditor 4 Starts at $37/Month when Billed Yearly whereas for Sassbook Starts at $32.50/Month when Billed Yearly.
Some top alternatives to CKEditor 4 includes Sassbook, Concrete5, Contentful, CKEditor 5, blogstatic, Qualified, Workvivo, React & Share, TinyMCE, CustomFit.ai, Slick and Froala Editor.
Some top alternatives to Sassbook includes ProWritingAid, Linguix, WritingAssistant, Ginger, TLDR This, Easy-Peasy.AI, AI Assistant for Wordpress and AI Alfred.