AP Computer Science is an educational app developed by Datadigg LLC, designed to help students prepare for the AP exam. The app allows users to study anywhere, anytime without requiring an internet connection. It offers practice tests closely resembling the official AP exam, complete with answers and explanations for each question.

The app features a total of 200 multiple-choice questions and 18 Free Response Questions (FRQs) across all tests. Users can also participate in tutoring sessions on Discord for additional help. Each practice test consists of 40 multiple-choice questions and 3 FRQs, with a timer to simulate exam conditions. Results are provided on a scale of 1 to 5, with detailed explanations and mnemonics included to aid in understanding and memorization.