ProDex - Gen 1 to 9 contains in-app purchases. Please check the pricing plan as below: Premium Mega Pack Pokémon-$4.99 Premium for Scarlet and Violet-$0.99 Premium for Sword and Shield-$0.99 Premium Diamond Pearl remakes-$0.99 Premium for Legends Arceus-$0.99 Premium for Pokémon Let's Go-$0.99 Big support to the project-$2.99 Support to the project-$0.99 Premium Pack Pokémon DS-$2.99 Premium Pack Pokémon GameBoy-$3.49