This app is a kind of must have for learning persons or who wants to learn with the help of the videos and animations created by mentors that helps to learn in easy way and no one need to imagine because imagination presented through the animation and help to understand easily and I have also watched the videos of it which are really helpful in such way this learning app byjus.com is starts from basics to higher standards and seprate teachers for each subject who will help you to understands the head turning maths physics and chemistry no into yes .easy learn simple and for all junior to senior .