I read somewhere just the other day that the benefit (to the developer) of an app vs a mobile website is that apps can collect more data on the user than mobile

I read somewhere just the other day that the benefit (to the developer) of an app vs a mobile website is that apps can collect more data on the user than mobile websites in their sandboxed browsers can. I haven't looked into this to verify for myself and there are other reasons, like push notifications, but I'm inclined to believe it.