The Pokémon Company will release its iOS app, Pokémon Zukan, in Japan tomorrow, according to a report on Wired. The app is a an interactive encyclopedia of Pokémon monsters and contains over 650 different character entries. The app will cost ¥170 ($2) and includes data on 150 Pokémon; however, to acquire the rest of the entries – four in total – users will have to drop an extra ¥500 ($6) each. The Pokémon Company released a rhythm game called Pokémon Say Tap?! for iOS last year, but it was a limited time only.