TOEFLテスト英単語超必須３５００ is a free educational app developed by aimshoot K.K. It is a companion app to the book "はじめて受ける人から高得点をめざす人のためのTOEFLテスト英単語超必須3500" published by Jリサーチ出版. The app features 3500 of the latest TOEFL vocabulary words selected from over 10 years of problem analysis. It offers a 2-way learning approach that complements the book, allowing users to enhance their learning efficiency. The app also allows users to create their own personalized vocabulary lists to target their weaknesses. Additionally, it includes a voice speed adjustment feature with 4 different speed levels and various display settings to prevent simple memorization. Please note that some features within the app require in-app purchases. For any inquiries or questions, users can contact the support team at