PhoneAdept is an easy-to-use and functional smartphone management app. PhoneAdept allows users to check the more important software and hardware information on their phones. For example, RAM, battery, CPU, operating system, installed applications and so on. PhoneAdept also has a comprehensive file management module. Users can not only visualize the current storage usage of the phone, but we also embedded some tools to help users filter some specific files (e.g., large files, duplicate files, unimportant files, recently stored files).