MasterDex is a free Android application developed by Titanz Tech under the Lifestyle category. It is the ultimate companion for all Pokémon enthusiasts. The app provides a comprehensive list of all the Pokémon species discovered to date, along with their "Base Status" and "Special Abilities" that they can learn.

The app also features a "Shine" format for each Pokémon, which is a rare anomaly that occurs once in every 8000 Pokémon. Additionally, it contains a guide to all the regions in the Pokémon universe, including their descriptions and locations.

MasterDex can be used in conjunction with any version of the Pokémon games, allowing you to keep track of the Pokémon you have captured in your game. You can add your favorite Pokémon to the list of favorites, and every time you do so, it climbs up the rankings of the Popular list.

The app is designed to enhance your knowledge of the Pokémon world while also serving as a tool to keep track of your progress in the game. MasterDex is a must-have for any Pokémon fan, and it is a great way to test your knowledge and challenge yourself to become the ultimate Pokémon trainer.