ポルトPorto 参考書が読み放題 is an electronic reference book service that allows you to read your usual reference books on your smartphone. With over 200 available reference books, it provides the necessary materials for high school students.

You can access unlimited reference books from all subjects, allowing you to study at your own pace. The app also allows you to keep track of your study progress, helping you identify and overcome your weaknesses. Make the most of your commuting time by studying on your smartphone. Whether you're on a train or waiting for something, you can utilize those short periods of time effectively. The app offers test-style study options for vocabulary and question-and-answer exercises, eliminating the need for physical notes.

Even when you want to study in a quiet place, Porto comes in handy. You can read your usual reference books on your smartphone, even on a small desk. You don't have to worry about forgetting your reference books since you can access all of them on your phone.

Please note that the Porto service will be discontinued in MarchFor more information, please visit the Porto service page or check the in-app announcements.