StudyScore is an educational application designed for iPhone users to help students track their academic performance through regular tests and national examinations. The app allows users to visualize their strengths and weaknesses in various subjects, providing a clear overview of their progress over time. Key features include management of different test types and subjects, customizable subject lists, and the ability to input and analyze exam results.

Users can easily manage their test data by separating school tests and national mock exams. The app supports various subjects such as Japanese, English, and Mathematics, and allows for customization to fit individual study needs. Additionally, users can input scores, rankings, and deviation values, which can be tailored up to five different metrics. This functionality enables students to analyze their performance trends and identify areas for improvement.