I personally prefer Prototyper by Appgyver (http://www.appgyver.com/prototyper http://www.appgyver.com/prototyper), editing your mockups from your computer with

I personally prefer Prototyper by Appgyver (http://www.appgyver.com/prototyper http://www.appgyver.com/prototyper), editing your mockups from your computer with a mouse and keyboard.