Khan Academy

Khan Academy

  • Category: Education
  • Release Date:
  • Current Version: 4.8.3
  • Adult Rating: 4+
  • Developer: Khan Academy
  • Compatibility: Android
7,141 Ratings
$ 0

Khan Academy App

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.


Khan Academy app screenshots

Khan Academy app reviews

  • Ahead of the group 5/5

    By Nemo's Reviews
    I have not tried any of the other subjects besides math yet, but I’m pretty sure they’re just as good. Thanks to Khan Academy math, I am a year ahead in math so I can take eighth grade honors next year as a seventh grader. If you want to get ahead in any subject I recommend this app.
  • Sometimes the subtitles don’t sync with VODs 5/5

    By Ki2rin
    Subtitles are slower than the videos sometimes, but I think it’s ok since it can easily be solved by some basic tried such as relaunching the app.
  • Great app! 5/5

    By GameHEADtime
    Keep improving!
  • Doesn’t work! 1/5

    By Melon265481
    Every time I press on an assignment or quiz, the app force quits. Help!
  • Algebra 1 Redesign Incomplete for iPad 2/5

    By jch1939
    1. Graphics too large for iPad screen (some exercises). 2. "Send Feedback" button reinstated. Useful until it quit working. 3. Can't complete Independent vs Dependent section because it stalls after entering answer. I suggest Beta Test team test software before release to users. I checked the operation of Diff Calc, which exhibits same behavior as Algebra on Limits Basics Challange: 1. Upper box too big, partially covers data table. (iPad screen) 2. Answer can't be checked. Stalls. 3. Send Feedback button inoperative. This a BUG report! - Not a suggestion! Please fix both ASAP! Update 4/23/18: KA support team repaired Diff Calc bugs reported above today. Thank you very much for quick attention!! Algebra 1 bugs were also partly repaired. Thank you!! Still needing attention, "See Summary" still hangs after completing problems in Match Equations to Graph Coordinates. IMHO, Algebra 1 should be placed in Beta status and be rechecked completely.
  • Overall good app 5/5

    By celadonflame
    While the app can be a bit of a bother to navigate at times, the benefits of using it far exceed the negatives. Additionally, there were some issues in a previous version of the app that have been promptly fixed by the developer. I believe this shows that the team behind Khan Academy and its app are working hard to improve their products. And given that access to Khan Academy and all its features is completely free, I’d say that’s a pretty good deal. In the end, Khan Academy provides for free what others will try to swindle you endlessly for: educational content. I’m looking forward to the future of this app and the website that coincides it. I recommend that those seeking to sharpen their mind give it a try as well.
  • expected more than videos 1/5

    By Luca Truex
    really disappointing how different it is from the website!
  • Thank you to the hard workers who brought us khan academy for free! 5/5

    By Pinkflamexcutie
    I love this app! It’s hard to even express into words how much I love this app and how much I’m just obsessed with it. It’s unbelievable that ALL these videos and lessons on sooo many different topics are free. Sometimes I worry that it might all be snatched away from me so I’m like “I have to hurry and benefit from it quick before it’s no longer free or it’s removed or something.” Please don’t make us start paying for it or remove the materials on this app! I am a post high school graduate who didn’t finish high school so obviously there’s a lot of things from school that I don’t even remember learning or even if I do, I only memorized the stuff to pass the exams so it’s no use to me because I don’t have certainty of it. Now I have a daughter and I get so worried and embarrassed when I think about helping her with her school work one day and not knowing the material. Thank God for kham academy because now I can prepare and relearn all these courses for free with my busy schedule as a mom and wife with the short and informative videos. I can even use it to teach her since it seems to be for all ages.
  • This app makes me so angry and frustrated. 2/5

    By PinkGloom
    I have never given such a sad review before. The app is unresponsive, I can’t submit answers, I can’t erase, I can’t seem to do much of anything. Even if I use the website on my tablet the screen doesn’t open right so I can use my touch pen. I want to use this app more but I’m getting so angry!!! Why it so bad??? I’d be willing to pay if they would update these bugs. I feel like there’s no excuse. PLEASE PLEASE FIX IT!!!!!!!!!!!!!
  • Best educational app 5/5

    By Vani8909
    This app really teaches you almost anything you want to learn from math, to science, biology, and a lot more. Not only do they give you lesson videos, they also challenge you with tests on many subjects. My daughter is in 3rd grade and for homework besides her school worksheets, I have her read 30 mins and do 30 mins of math on this app everyday including weekends. It had really helped her excel in math and is the highest reader in her class. I’m very grateful this app is free. I can tell the developers really care about the education of our future or else they’d be charging for the education.
  • Not working after update 1/5

    By gary mcjohnson
    Every time I click a assignment it crashes the app
  • Khan Academy Biggest Problem 2/5

    By Nido...
    So Khan is a good app we’re people can review or study their subjects but there is a big problem in Which when doing math and there is always a multiple choice and that’s were Khan is not teaching people how to write their own answers. Today I was using khan and I was practicing Mean, Median, and Mode and during all the practice I had all answers right and Khan put me as EVERYTHING WRONG and then I saw the hints to see what I did wrong and Khan HAD THE SAME EXACT ANSWER AS ME!!! This can be one of the areas were Khan needs to update their works and the problems that I just explained.
  • Amazing!! Just one thing: 4/5

    By Emmy🐯
    First of all, I love the app, the program, the website, Khan Academy is absolutely amazing!!!! I’m in 8th grade and In 9 months I’ve gone from learning pre algebra to precalculus using this app! The one thing is please, please, please make an option where you can type out the answers to things. I’ve gotten countless answers wrong because it doesn’t read the writing correctly no matter how carefully I write it out, and it’s nearly impossible to write long equations.
  • Bug doesn’t allow me to view videos. 2/5

    By ig: @adrian21jaimes
    The app looks beautiful but whenever I click on a video the app crashes and force closes. I shut down my phone to see if it would stop, it didn’t. I reset my phone deleting everything and the app still crashes. I saw that the app had a bug update yesterday and I’m all pumped thinking the bug has been patched only for the same issue to occur. I can’t watch any videos at all, making the app practically useless for me. I’m using an iPhone 7 running on iOS 11.0. I’d like to make the switch to using the app on my phone because of portability. Thank you for your time.
  • This doesn’t work!!!!!!! 2/5

    By the math game critic
    This app is frustrating and some of the answers are wrong it has taught me some stuff but I would of learned it anyway so I think this app is pointless. I also can never pay attention to it because it has no flare it needs something to get people’s attention like a game but a math game like Sumdog has math games! This app is pointless again because it isn’t working when I try to press the check button it won’t let me and when I do a ton of work I don’t go up any percent!! Over all I think this app is pointless and it should have three stars not four
  • Good but not quite there yet 4/5

    By Loveyoutubegirl
    So I get a “Skill Assessment” every week and all of my math ones are on here. I use it on my laptop a lot and sometimes use it on my phone which usually always works. So I went on today to do some of my work but whenever I tried clicking on one, it crashed. Like I said, it’s a great app but it’s not quite there. I’m sure this can be fixed easily and I will be able to use it soon again!
  • About Khan Academy 5/5

    By hhdhfhhfhfjfjfjeiejdj
    The Most Best Outstanding Learning App. ALL 5 ⭐️⭐️⭐️⭐️⭐️
  • The app is great, but I have a suggestion. 5/5

    By Muree12
    This is a great soruse of education! The only thing is, could you make bookmarks and downloads seprete? It would be nice, but you don't have to.
  • Hopelessly buggy app 1/5

    By Orand
    Update 4/13/18: I just discovered after a half hour of troubleshooting that mastery challenges aren’t available on the iPhone, only on the iPad. You have no idea the amount of distress this created for my child who had set a goal of completing this today, only to find that they’re stuck with nothing but an iPhone and are therefore unable to complete their goal. This ties into my original review (below) that leads me to believe the Khan Academy mobile app is going to always lag hopelessly behind the capabilities of the website. I’m now guessing this isn’t entirely the fault of the mobile app developers, I suspect they’re treated as second-class citizens in the Khan Academy org chart, not given the resources or the prioritization they need to do an effective job of achieving and maintaining feature parity. They just keep getting hand-me-down catch-up work from the website dev team. Or perhaps it’s all the same team, and they’re primarily web devs trying to do mobile too... Either way, there’s something systemically broken in their org chart, and our pain is a side effect. Original review: It’s so close to being awesome, yet so hopelessly far. Why is it hopeless? Because of the dev culture of the people who maintain the app. Look at all the Developer Responses to reviews on the App Store. “Sorry for the inconvenience, could you please uninstall/reinstall the app?” You can be pretty sure that if uninstall/reinstall works, they’re going to dismiss it as “anomalous user error” and not fix the root cause for the thousands of others out there who are silently experiencing it too. Bonus points for them: you’re no longer able to give them detailed bug repro steps. These kinds of issues should be fixed once and for all via upgrade, not uninstall/reinstall every single time the app flakes out. Both of my kids experience showstopper bugs in this app that force them back to the website to complete their work. - The math answer entry box runs out of room for text entry, so they have to rotate between portrait and landscape to get more room. - The math entry keyboard stops appearing. Tapping on the answer text entry field does nothing. This could be a side-effect of the portrait/landscape rotation workaround noted above. - Sometimes the “Watch Video” button at the bottom scrolls out of view below the screen. You can scroll up to see it, but the content area is spring-loaded so that when you stop scrolling, it bounces back below the bottom of the screen. If you’re extremely quick, you can scroll way up with one finger and then release and immediately tap the button with another finger as the button is zooming off the screen. You can’t tap where the button is visually, you have to tap where you think the button will be. Again this could be due to portrait/landscape rotation issues that cause resizing of content area bounds. I’d really love for these issues to be fixed because I like putting the Khan Academy app on Guided Access so my kids can’t get distracted by other things like they do on the computer, but that’s where they’ll have to be until there’s a massive culture change on this app’s dev team.
  • Doesn’t open 1/5

    By MikeIsTheMan12340875
    It doesn’t work anymore. It doesn’t open.
  • Terrible🙁🙁 1/5

    By jaidendaking
    It says my answer was wrong when me and my friend got the same answer and his is correct. What is this app. Go out of buisness schoology is even better than this dumb app!!!!!
  • Incredible. 5/5

    By TimeForge
    This is the only review I have written on any app on the App Store. I am a computer/smartphone geek and I take many aspects of apps seriously. This app deserves a 5 star review. They could have chosen to spam your screen with advertising. They could have charged you for the app. They didn’t have to teach countless topics. This app is revolutionary. It offers an education that many struggle to pay for. All for free! Anyone can receive an education, and Khan Academy makes this possible. Even better, Khan Academy offers more detailed lectures and worksheets than some that are given by my teachers at school. I have been depending on this app to get me through uncertainty, and it never failed to live up to that expectation. I am grateful for this app, and I hope my review has influenced your decision to get this app. You won’t regret it.
  • AMAZING!!!! 5/5

    By Chef Nina
    I LOVE khan academy!! I'm in middle school but I'm really smart for my age so I'm always ahead in my classes. Khan academy is awesome because you can work at your own pace. And their videos are amazing. There is one suggestion I have though, and that is to be able to reset your progress. Sometimes I just want to start learning something from the beginning, but it won't restart. But overall, amazing app!
  • Terrible app 1/5

    By solarissparc
  • Bad Navigation 3/5

    By collieshangles
    The content is good but finding thing is a challenge.
  • Add calculator in app 5/5

    By Stormfall76
    Add this for the more advanced problems so the person can focus on learning the new material without the hassle of doing a multiplication or division problem on a small split screen or switching between a calculator and the screen.
  • Sorry for my one star but... 1/5

    By tj55scarawesom
    I can’t use this app anymore. I tried to submit my answer and the app crashes. I restart my phone and it still doesn’t work. I even deleted it but it still crashes. I’m really disappointed because this was really helpful in my phone. Unless you figure it out I’m leaving the one star. Sorry
  • Great app 5/5

    By mikewang0814
  • Incredible. Knowledge at your fingertips 5/5

    By braindaily
    Fascinating and immeasurable amounts of free knowledge right at your fingertips is reccomend this to friends and family :)
  • Crash 3/5

    By Jia Cai
    As title
  • Perfect! 4/5

    By Tìm top
    I have had learned calculus since December last year. It’s have everything to prepare before coming to class. I had an A+ grade for pre-calculus, and now I have 93% of the total points for the two exams in the calculus 1. However, lately I can’t use it on my iPad . This is last version . It’s broken! so please fix it as soon possible.
  • Rigged to fail 1/5

    By Dfghfhf
    I worked it out multiple people agreed with me and I used a calculator to check and the website and app both say I'm wrong so I say you want us to fail and kill our self esteem that I already have none of and make us live in a box well I say you cannot break my will!
  • Lacks "Recent activity" section 4/5

    By Boris2231
    Android version has this handy section called "Recent activity". Please add this feature to the IOS version. And maybe some additional progress tracking features? It is very motivating! Thank you.
  • Can’t get any problems to load today 1/5

    By Princess Okami
    iPad Pro 2 - can’t do any problems. Logged out/in, reinstalled app... so frustrating.
  • Can’t read articles 1/5

    By Sibow
    Just updated the app, no articles show up. Needs and update
  • HATE IT!! 1/5

    By Pandas- rock
    Nothing works at all. I end up near tears every time I try to use this app. It is a terrible system and I would give it zero stars without hesitation
  • Continues crashing! 2/5

    By Nena5000
    I think this is a great app and I find it very useful. Unfortunately for the past two weeks the app crashes all the time. I was happy today when I saw there was an update but unfortunately this has not solved the problem. Please fix it ASAP. App working fine now (April 3,2018). Continue providing your excelent service. Your app is now 5 stars!!
  • App crashes on iPad with update 4.7.4 until you delete and reinstall 2/5

    By Dwlfrustrated1
    Updated app 2 days ago. Now it crashes on opening. Frustrating. I read same thing in every review since about mid February. Then I read the developer response “that 4.7.4 fixed that and if it continues, submit a help ticket”. Seems like you should just fix the problem. Seems to work after I deleted and reinstalled.
  • Videos 3/5

    By Clear Shot
    When I select a different video with out pushing pause on my current one. Instead of stopping one and playing the other it plays them both but there’s no way to get to the other video. If I look up the video and click on it. I would have another one playing.
  • So hard to find stuff 1/5

    By Hats game
    It is so hard to find stuff in your app like the user name I had my kids delete the app and delete their accounts so that we don’t ever have to deal with this STUPID APP y’all created maybe just maybe I might reinstall the app in just a year BYE BYE
  • Keeps crashing 1/5

    By Rmars123
    Can’t even open the app anymore.
  • Crashes 1/5

    By Jones 1887
    I can’t open the app without it immediately crashing. I want to recommend it to others, but I can’t when it’s malfunctioning this badly. I used to love it, but this is getting ridiculous.
  • Um? 3/5

    By Atarice
    Concept: 10/10 Execution: 5/10 The teacher for Precal and Physics (it seems that they’re all the same guy, maybe. I haven’t used the other lessons) just randomly introduces concepts, doesn’t explain them, and uses them as if the student understands the concepts already. A teacher must always assume that the student has no prior knowledge of the subject unless he/she knows otherwise and, in this case, the teacher assumes prior knowledge but really has no idea whether the student has it or not. Terrible way of teaching and it really makes the lessons difficult to follow sometimes.
  • Crashes when opened 1/5

    By J.L. Stark
    App crashes every time I try to open it.
  • Good 5/5

    By -3LELXD
    My friend has a cousin who made this
  • Keep up the good work 5/5

    By HappyAppReviews
    I believe in the Kahn Academy mission statement of “free high quality education for all” and support their mobile app effort. Keep up the good work. Continue the development process.
  • Nice 4/5

    By Bree345789
    Nice app but sometimes when you watch videos they don’t get saved
  • App crashes on iPhone X 1/5

    By drtmgrogan
    The app crashes immediately on my iPhone X. Are you aware KA?
  • 5 stars all day! 5/5

    By Daddycaine
    My rating dropped for a little while because the app kept crashing on me as soon as I opened it. The developer sent me a response to my review with some suggestions to fix it. In the end, I needed to uninstall and reinstall the app. Now it is back to the amazing app I know and love! So good for studying and working with students in the classroom!
  • Great full 5/5

    By smilez24
    This app has been helping me a lot refreshing my mind to things I forgot in math and I have a placement test coming up and I feel confident taking it.

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