I don't see a problem with that - people buy stuff at gas-stations at inflated prices all the time, for convenience.
Same with buying a beer or wine in a restaurant, which is often the very same bottle you could buy at a supermarket for much, much less money.
A subscription via the AppStore is very convenient in that you only have to have your credit-card on-file at a single entity and receive a single receipt at the end of the month, consolidating all your active subscriptions.
Same with buying a beer or wine in a restaurant, which is often the very same bottle you could buy at a supermarket for much, much less money.
A subscription via the AppStore is very convenient in that you only have to have your credit-card on-file at a single entity and receive a single receipt at the end of the month, consolidating all your active subscriptions.