Pretty but functionless
As far as I can tell, each "mode" is just the same text viewed in a different font. If you create notes expecting to be able to refer back to them during the writing process, forget it. Hitting "Write" just changes the font on your notes so you have to erase them to write your first draft! "Edit" is also a destructive process, and "Read" does nothing useful--it doesnt even render Markdown.
Yes, there are some nice-looking features too, but if the main workflow-based writing process doesnt make sense, youll never get to the point of using these.
Pauljrush about
iA Writer, v1.0