Borderline dishonest? Really? In the App Store, you just tap your account and tap manage subscriptions. It takes like two seconds and is blatantly obvious. Where else could they put it—on your home screen with big red flashing lights? Haha.
A lot of people don't have that icon set because you either have to do it manually, or it grabs the one you associated to your Mac when you set it up for the first time. The default light gray color they're using blends in with the white background of the store. I know the last thing we want is another screen to go through when setting up a new iPhone/iPad/etc, but that would be the easiest fix because you could explain to the user what it was for and point out that it shows up in the Apple apps.
The account page is otherwise fine.