Really good app!

Just an easy-to-use and really convenient app! The only problem I found is Dropbox upload - this feature sucks here but all the others rule, indeed!

One more feature to the wishlist: please add the desktop application or online service to work with Grafio sketches on desktop.

Владимир Кукушкин about Grafio 4 - Diagram Maker, v2.5.1