TOEIC公式教材 is an educational app designed for iPhone users, providing access to high-quality study materials developed by ETS, the organization responsible for the TOEIC test. The app allows users to learn on-the-go, making it convenient to study anytime and anywhere. It features a comprehensive collection of official TOEIC content, including detailed explanations akin to those found in traditional textbooks.

Key features of the app include the ability to download audio from all 25 official TOEIC titles for free, enhancing listening skills. Users can choose between a mock test mode, which simulates the actual exam environment, and a study mode that allows for personalized learning at their own pace. Additionally, the app tracks learning progress, highlighting weaker areas using radar charts and offering targeted review options for incorrect answers.