Yeah, the Anime sure did make the game really popular... so much that the price remained relatively the same, although it's worth it compared to spending all that money on crappy iPhone games I don't even like.
(Nah, I didn't spend that much on iPhone games, but still... I would spend good money on good experiences rather than ripoff microtransactions on mobile games... I mean, 5 dollars for in game money! Come on!)