Frequently Asked Questions
Can I use Calibr for free?

Yes, we offer thousands of books and plenty of notes to read for free. All you need to do is “Sign Up” to create a free account and start your learning journey with Calibr. At any moment you can upgrade to paid subscription to consume premium content on our platform.

What devices Calibr is available on?

Calibr is available on our website and can be accessed by a web browser on desktops, laptops, tablets and mobile phones. Calibr mobile app will be launched soon.

Do I need to buy e-books on Calibr to read?

No, Calibr offers a subscription plan under which you get unlimited access to all the premium books. So you can do binge reading without worrying about cost

Can I download e-books?

You can’t download e-books from Calibr but you can read a book as many times as you want once you log in to your account.

What kind of books are available on Calibr?

Calibr is focussed on helping students learn better. As such we have created a collection of textbooks and reference materials for competitive exams like IIT JEE, NEET UG, NDA as well as higher studies specializations like engineering, humanities, medical, sciences, commerce, law, programming, accounting, business studies and many more.

I am a professor in a college. Can I upload my content on Calibr to monetize?

Yes, we collaborate with educators to make their lecture notes and other learning materials (pdf, videos etc.) available on Calibr. You can decide whether you want to share your content for free or monetize them through our premium subscription. As of now, option to upload content is available by invite only. Please write to us at for further enquiry.