NoteStack offers Free Trial, but AirClick does not.
AirClick is designed for Individuals, Large Enterprises, Medium Business and Small Business.
NoteStack is designed for Freelancers, Medium Business and Small Business.
The starting price of NoteStack begins at $7/Month, while pricing details for AirClick are unavailable.
Some top alternatives to AirClick includes Evernote, Notejoy, Easynote, NoteStack, Note-Smart, Tracy and Trackin.
Some top alternatives to NoteStack includes Evernote, Brainio, Amanote, Notes.io, Triqla, Microsoft OneNote, Notability, Einote and Note-Smart.