The download of this application is 100% safe. The app was originally created by 株式会社 ビクセン and it is related to the Educational category. Interval Book has the average rating 4.8 on Google Play.
The developer rolled out a new version of this application on Jan 13, 2019 and over 1K users downloaded and installed the tool. Get the setup package of Interval Book 2.1.2 free of charge and read users' reviews on Droid Informer. The app works flawlessly on Android 4.0.3 and above.