Khan Academy has a new logo, which means we’ve also got a shiny new app icon! There are a many new features we’re working on for back-to-school — we’ll have those updates rolling out soon!
You can learn anything. For free. Forever.

Spend an afternoon brushing up on statistics. Discover how the Krebs cycle works. Learn about the fundamentals of music notation. Or, if you’re feeling particularly adventurous, learn how fire-stick farming changed the landscape of Australia. It doesn't matter if you are a student, teacher, homeschooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get a leg up in earthly biology—Khan Academy's materials and resources are available to you completely free of charge.

- Thousands of videos and articles at your fingertips in math, science, economics, computing, finance, grammar, history, government, politics, and much, much more
- Practice questions with instant feedback and step-by-step hints
- Bookmarks for easy navigation to your favorite content
- Offline access to keep you learning even when you’re not connected to the internet
- Device syncing between the app and khanacademy.org, so your progress is always up to date

What’s new?

We just won the 2018 Google Play Best Social Impact award!

Quizzes and unit tests are here! Save time as you prep for a test or catch up in class. When you take a quiz or unit test, you'll get personalized recommendations on what to study next. Quizzes and unit tests are currently available in math and science, and we'll be adding them for more topics soon!

Download the app today and start learning!

(For our Indian learners, we have aligned math and science content on our app to NCERT/CBSE curriculum. Study more effectively for your 6-to-12-grade math classes with our quizzes and unit tests. After each assessment, you’ll get personalized recommendations on exercises to focus on, related videos, and step-by-step hints. You’ll also build a strong foundation for your boards, CAT, GMAT, IIT-JEE, and other exams.)

Khan Academy is a 501(c)(3) nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We support teachers’ efforts to help every child succeed with personalized practice. Donate today!
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This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
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Version
DPI
5.1.0
August 10, 2018
universal
Android 4.4+
nodpi
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