The 英語の友 旺文社リスニングアプリ is a listening app developed by Obunsha Co.Ltd. It is designed to support the study of qualification exam preparation books published by Obunsha. The app offers a wide range of features to enhance language learning.

With a vast selection of compatible books, including the "英検でる順パス単" series and over 200 other titles, users can access audio recordings that accompany these books. The app provides a convenient listening function, allowing users to easily navigate through tracks and adjust playback speed. Additionally, some books offer vocabulary and speaking tests for further practice.

To support continuous learning, the app includes goal management and a study calendar. Users can set targets, track their progress, and receive reminders. The app also offers the option to upgrade to "英語の友プレミアム" for unlimited access to all features through in-app purchases.

Overall, 英語の友 旺文社リスニングアプリ is a comprehensive listening app that provides valuable resources for exam preparation and convenient study tools for language learners.