Oh that's simple. It's impossible to make a webapp that works well on mobile. On mobile, you must be able to tap on buttons that are located along an edge of th

Oh that's simple. It's impossible to make a webapp that works well on mobile. On mobile, you must be able to tap on buttons that are located along an edge of the screen. Those are the easiest to access points. However, in a web browser, doing so will invoke the search box, the menu bar, the back button, any number of unlucky events. So companies are forced to make a mobile app.