The best... But not on iPad

The best prototyping app on iOS.
The website is even better. A really convinent and easy tool to prototype.
The Watch extension could be better (as every current app) and more responsive but its a start and its really great to see your app on the Watch even before starting to work on it.

Just one problem : iPhone apps are up scaled on iPad and its ugly. Why isnt it possible to see iPhone app real size??!!

nemrix about Marvel - Design and Prototype, v4.5