NoteStack offers Free Trial, but Smarkup Notes does not.
Smarkup Notes is designed for Large Enterprises, Medium Business and Small Business.
NoteStack is designed for Freelancers, Medium Business and Small Business.
Pricing for Smarkup Notes Starts at $5.50/User/Month when Billed Yearly whereas for NoteStack Starts at $7/Month.
Some top alternatives to Smarkup Notes includes Evernote, Supernotes, Notes.io, Triqla, NotePlan, QuickNote, Snip, NoteStack, MadNotes and QuickTab.
Some top alternatives to NoteStack includes Evernote, Brainio, Amanote, Notes.io, Triqla, Microsoft OneNote, Notability, Einote and Note-Smart.