Byjus is the best app where we can learn everything . All the teachers on byjus are well educated and teach all thiere respective subjects very good . We can learn on this app anywhere and anytime . But one drawback of this app is that it needs lots of mobile data to carry out learning procedure . All the subjects such as biology, physics and chemistry , etc are available on this plateform. And also all the standards are available on this app .anyone can learn from this app of any age . You have to anly logine to the app and start learning.