A free program for Android, by Pratham Digital.

City Of Stories – PraDigi Beta is an educational app that teaches students various concepts in a fun and engaging way. The app is a blend of short video lessons with contextualized learning and it is designed to help students learn, practice, and understand the concept.

The videos are categorized based on the different age groups of learners and the content covers various subjects beyond just academics. The app has various topics that span from the basic concepts in mathematics and science to the more advanced concepts in math, science, and social science.