PersonaDex is an Android app developed by Rechee J, designed to aid players in playing Persona 5. It helps users to look up their personas' stats, skills, element strengths and weaknesses, and even fusions. The app is free and categorized under lifestyle.

The app allows users to search for specific personas, filter them by Arcana, and level. The searching process is made easy with autocomplete, which is especially useful when trying to spell the names of some Personas. Additionally, the app supports DLC Personas, which can be enabled in the settings.

PersonaDex has an impressive performance and is the best performing Persona 5 Compendium on the market. All the relevant information about the Personas is available in a simple and accessible manner. The app is user-friendly, and users can find what they're looking for quickly and easily.