However, I can provide you with some information on the best app for NCERT books for UPSC.

One of the best apps for NCERT books for UPSC is the EduRev app. It is a comprehensive e-learning platform that provides free NCERT textbooks and solutions for all classes. The app is widely used by UPSC aspirants as it provides quality study material that is easy to understand and covers all the necessary topics.

Features of EduRev app for NCERT books:

1. Free access to NCERT textbooks and solutions
2. Interactive and engaging content
3. Easy navigation and user-friendly interface
4. Regular updates and new content
5. Detailed explanations and solutions to NCERT questions
6. Mock tests and quizzes for practice
7. Video lectures by expert faculty
8. Option to download NCERT books and solutions for offline use

Advantages of using EduRev app for NCERT books:

1. Comprehensive study material that covers all topics
2. Easy to understand language and explanations
3. Saves time and effort in finding the right study material
4. Regular updates and new content keep learners up-to-date
5. Mock tests and quizzes help in self-assessment and improvement
6. Video lectures by expert faculty provide additional help and guidance
7. Option to download NCERT books and solutions for offline use ensures learners can study anywhere, anytime.

Conclusion:

The EduRev app is one of the best apps for NCERT books for UPSC aspirants. It provides a one-stop solution for all study material needs and helps learners prepare effectively for the exam. Its interactive and engaging content, regular updates, and expert guidance make it a popular choice among UPSC aspirants.