スタディサプリENGLISH - ビジネス英語 is an iPhone education and reference app developed by Recruit Co.Ltd. This free app is designed for people who want to improve their business English. It offers a wide range of exercises and features that cover everything from listening and reading comprehension to vocabulary and grammar, all in one place. The app also includes one-minute explanations of important phrases and expressions by native speakers. The app is designed to be used during commutes or other free time, providing users with practical business English skills in an efficient manner.

The app is a one-stop-shop for language learners, offering a comprehensive learning experience from listening to speaking. The app features drama-style lessons written by a renowned scriptwriter, Inaba Kazuhiro, who has worked on hit dramas such as "Shitamachi Rocket." The app also offers one-minute "divine lessons" by native speakers, providing users with an opportunity to master important phrases and expressions that Japanese people often get wrong. The app includes features to help maintain motivation, such as time management tools that allow users to record their progress and quizzes that provide positive feedback for correct answers.