Start Up Mathematics Class 4 is an innovative digital platform for advanced learning of Mathematics. The app is designed by Viva Books and is available for free on Android. It is integrated with various interactive and user-friendly modules that make learning interesting and easier than ever before.

The app's various modules enable learners to understand, memorize, explore and overcome the fear of Mathematics. The "Test Your Knowledge" module contains interactive learning sections such as MCQs, True or False, Fill in the Blanks and Match the Columns. The "Activities" module includes interesting and fun activities like Colouring, Quick Quiz, Typing, and Observe and Answer.

"At a Glance" module is designed for quick revision of the chapter and includes Points to Remember, Summary, Glossary and Formulae. The "Download and Practise" module contains printable worksheets, and the "Videos" module consists of animated concepts to enhance the learning process.

Overall, Start Up Mathematics Class 4 is an excellent app for advanced learning of Mathematics. The interactive and user-friendly modules make learning fun and interesting. Download and install the app on your Android device to enjoy the wholesome interactive learning experience.