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Khan Academy: you can learn anything

By Khan Academy

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Khan Academy allows you to learn almost anything for free.

In our iPhone app:
- You can learn anything – for free: Over 10,000 videos and explanations at your fingertips in math, science, economics, history, and much, much more
- Sharpen your skills: over 40,000 interactive Common Core aligned practice questions are included with instant feedback and step-by-step hints. Follow along with what you’re learning in school or practice at your own pace
- Quickly find what you need: Redesigned navigation and search make it faster to find what you want
- Keep learning even when you’re offline: Bookmark your favorite content to “Your List” for easy access, and download it to keep learning even when you’re not connected to the internet.
- Pick up where you left off: Your learning syncs between your iPhone and, so your progress is always up-to-date

In our iPad app, you can also:
- Flex your muscles: the app adjusts to give you interactive exercise recommendations that are tailored just for you through the world of math.
- Show your work: the app harnesses the power of writing down your thoughts as you problem-solve with a beautiful, expansive scratchpad. Once you have your answer, just write it in, and we’ll recognize your handwriting (powered by MyScript)!

Learn using videos, interactive exercises, and in-depth articles in math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, linear algebra), science (biology, chemistry, physics), economics, and even the humanities with playlists on art history, civics, finance, and more.

Spend an afternoon brushing up on statistics. Discover how the Krebs cycle works. Learn about the fundamentals of music notation. Prepare for the upcoming SAT, GMAT, or MCAT. 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, home-schooler, 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.

Head over to to learn more."Khan Academy allows you to learn almost anything for free.

What's New in Version 4.2.5

- Bug fixes and performance improvements.


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Customer Reviews


I personally LOVE this app. It has so many subjects and levels that if you have it, you have no excuse to fail school. I've never been one to get bad grades; I mean I'm at the point where a B is a terrible grade, and I can maintain that using this app. If there's ever anything I don't understand or if I have to study for a test (especially finals) this is the first place I go. My little brother really struggles in school and my parents don't have the money for a tutor so I showed them this and now they want to get him using it. It's really helpful wether you struggle in school overall or there's just something that doesn't quite 'click'. Best part: it's free.

The only thing I would change is adding an explanation of common core. My parents want to help my brother with his homework, but they can't since they don't understand common core. We've got crappy Internet , so we can't always access the videos and I can't always help because I have tons of homework, track, marching band, and a social life. If they had common core explanation videos, that would be great.


Hey Sal, what you have done with Khan Academy is fantastic. Thank you so much! It would be extremely helpful if you would make an option for video playback at 1.5 and also double-speed, particularly in the app. I can do that when I watch on my laptop in Google Chrome, but I'd love to have the option on my iPad. Thanks in advance!


Great For A Knowledge Base

This app is FREE! KhanA is great for adding subjects to your knowledge base and expanding your circle of competence.

Khan Academy: you can learn anything
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This app is designed for both iPhone and iPad
  • Free
  • Category: Education
  • Updated:
  • Version: 4.2.5
  • Size: 170 MB
  • Languages: English, French, Norwegian Bokmål, Portuguese, Spanish, Turkish
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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