Seriously. I don’t want to install something on my phone when the dev is just using a WebView, if that’s what it’s called. When the app is basically just a website with the browser hidden.
What’s the reason for that? To attach the customer? To sell the app for money? Is there more ad revenue that way? Do you reach more people?
(Are there any good reasons for it, too? Security, maybe?)
From a technical point of view, it sometimes makes sense:
Of course, that’s just what could be done easier with an app. There’s also some less interesting points:
So… the answer is “because”.