Hacker ApprovedDepartments

Khan Academy

Hacker Approved

The most recommended of 11 online learning platforms

Free, clear lessons people use to fill math gaps and supplement school. Critics find the videos slow and repetitive and say results depend on consistent practice.

Free, clear lessons people use to fill math gaps and supplement school. Critics find the videos slow and repetitive and say results depend on consistent practice.

84 people gave an opinion

recommend it
67
criticize it
17
approval share
80%
Each figure is one person. RecommendsCriticizes

Recommended in 12 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Owned for 7 years

Median of the 5 owners who said how long they have had it.

Each square is one year.

Why it carries the badge

  • 67 people recommend itNeeds 10 or more, met.
  • 3.9 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 12 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Free, high-quality learning material

    “It's helped tons of children by virtue of making solid learning material available for free on the internet”

    Comment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “Khan Academy was free and used to obtain 99th percentile SAT scores.”

    Comment from 23 Mar 2026 in “Attractive students no longer receive better results as classes moved online”
  • Clear step-by-step explanations

    “It helps build up the problem/solution from the ground up and he goes through each step out loud to help a student understand.”

    Comment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “the presentation was exceptionally clear, and focused on developing one little piece of a subject at a time”

    Comment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “He really took the time to replicate the manual teaching process of writing on whiteboard.”

    Comment from 16 May 2026 in “The CTF scene is dead”
  • Fills gaps and supports school

    “they both found it really helpful to look at Khan Academy / YouTube clips to better understand what I was explaining”

    Comment from 16 Nov 2025 in “Where Educational Technology Fails: A seventh-grader's perspective”

    “They complemented school and helped me understand things I'd ignored in class”

    Comment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “I have found khan academy to be really good for filling any math gaps”

    Comment from 6 Jul 2026 in “Completing a Computer Science Degree on Coursera”
  • Helps adults relearn math

    “Khan Academy is a treasure, and is how I re-learned math in my 20s after not taking it seriously in school.”

    Comment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “I've heard of adults going through Khan Academy's math curriculum for fun to refresh their math skills.”

    Comment from 12 Nov 2025 in “The R47: A new physical RPN calculator”

    “I had no access to anyone who could teach me calculus as a kid except Khan Academy”

    Comment from 16 May 2026 in “The CTF scene is dead”

What people warn about

Each mark is one comment

  • Distracting gamification and quizzes

    “it's that I find it incredibly distracting which means I can't focus as easily on the content”

    Comment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

    “I found the gamification, quizzes, etc. simply distracting.”

    Comment from 25 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”
  • Overhyped as a YouTube channel

    “It was a marketing job around a YouTube channel that purported to be a teaching revolution.”

    Comment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

    “Khan Academy to me is still just a YouTube channel trying very hard to be something more.”

    Comment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

Other online learning platforms people recommend

The four most recommended other online learning platforms, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Khan Academy compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Khan AcademyThis page671780%127 yrs5 ownersApproved
Coursera263741%6——
Udemy164427%510 yrs4 owners—
MIT OpenCourseWare14288%7—Approved
Brilliant.org12380%6—Approved
See all 11 online learning platforms, ranked

What people said

40 of the 97 comments that mention it, newest first. Each links to the original comment.

“I found the gamification, quizzes, etc. simply distracting.”

MixedComment from 25 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Khan Academy is a gateway for a student to draw the map or scaffold as the initial phase.”

RecommendsComment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“He however allowed his discoveries to be packaged as a neat capitalist solution”

MixedComment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“It's helped tons of children by virtue of making solid learning material available for free on the internet”

MixedComment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“They complemented school and helped me understand things I'd ignored in class”

RecommendsComment from 24 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Deriving formulas rather than memorizing them opened up a new perspective for me.”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“it's that I find it incredibly distracting which means I can't focus as easily on the content”

CriticizesComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Khan Academy is a treasure, and is how I re-learned math in my 20s after not taking it seriously in school.”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Khan Academy is tremendously useful when started at a young age and done consistently”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“It helps build up the problem/solution from the ground up and he goes through each step out loud to help a student understand.”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“the presentation was exceptionally clear, and focused on developing one little piece of a subject at a time”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Khan Academy is 2010-era state-of-the-art for rote learning and procedural knowledge.”

MixedComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“I've always struggled with Sal's slow and repetitive speaking style in the videos.”

MixedComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“it served as an easy-to-digest scaffolding on top of which to build a deeper understanding”

RecommendsComment from 23 Aug 2026 in “Why Sal Khan't: On Learning by Making but Teaching by Telling”

“Quizlet, Khan Academy, Notion, and Gizmo are all great, but each only handles one piece of the puzzle”

MixedComment from 31 Jul 2026 in “We're 15-year-olds tired of switching study apps, so we built our own”

“it just feels like you're all over the place and regularly missing skills it expects you to have”

MixedComment from 29 Jul 2026 in “LearnVector – Andrew Ng's AI company building one‑to‑one learning experiences”

“I'm almost certain I wouldn't have pushed through and gotten a degree without the internet (3b1b and Khan Academy in particular)”

RecommendsComment from 22 Jul 2026 in “Advertise in ChatGPT”

“Deeply admire what Sal Khan set out to do. One of the original pioneers of how technology could transform education.”

RecommendsComment from 9 Jul 2026 in “Building a real-time AI tutor for 5-year-olds”

“I have found khan academy to be really good for filling any math gaps”

RecommendsComment from 6 Jul 2026 in “Completing a Computer Science Degree on Coursera”

“I think that Khan Academy has a lot of graphics programmers that you might be interested in seeing.”

RecommendsComment from 1 Jul 2026 in “What to Learn to Be a Graphics Programmer”

“Khan Academy exists. Math tutors exist. They don't just exist, they're amazing.”

RecommendsComment from 28 May 2026 in “Citing 'severe' math deficits, UC faculty demand a return to SAT tests for STEM”

“He really took the time to replicate the manual teaching process of writing on whiteboard.”

RecommendsComment from 16 May 2026 in “The CTF scene is dead”

“Having YouTube and Khan Academy and everything else would have made such a huge difference for me.”

RecommendsComment from 16 May 2026 in “The CTF scene is dead”

“I had no access to anyone who could teach me calculus as a kid except Khan Academy”

MixedComment from 16 May 2026 in “The CTF scene is dead”

“actually having easily digestible 5 min vids like those Khan put out, just wasn't a thing”

RecommendsComment from 10 May 2026 in “What's a Mathematician to Do?”

“there are Khan Academy, Harvard, MIT,... courses that you can download and use locally”

RecommendsComment from 24 Apr 2026 in “Show HN: Tolaria – open-source macOS app to manage Markdown knowledge bases”

“It was genuinely new that a student could rewatch something until it clicked”

RecommendsComment from 19 Apr 2026 in “College instructor turns to typewriters to curb AI-written work”

“it's an excellent way to have some sort of a basic curriculum, especially when self-studying”

RecommendsComment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

“It was a marketing job around a YouTube channel that purported to be a teaching revolution.”

CriticizesComment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

“in practice it's still about the amount of time a pupil does train with the right oversight”

MixedComment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

“Khan Academy to me is still just a YouTube channel trying very hard to be something more.”

CriticizesComment from 16 Apr 2026 in “Why Sal Khan's AI revolution hasn't happened yet, according to Sal Khan”

“help lots of talented kids to progress in the curriculum beyond what's available in physical classrooms”

RecommendsComment from 30 Mar 2026 in “Mathematical methods and human thought in the age of AI”

“Khan Academy was free and used to obtain 99th percentile SAT scores.”

RecommendsComment from 23 Mar 2026 in “Attractive students no longer receive better results as classes moved online”

“Khan Academy actually does force feed you enough actual problems to learn some math”

RecommendsComment from 3 Feb 2026 in “Ownership of open source flashcard app Anki transferred to for-profit AnkiHub”

“Oh this is awesome. I think I remember using this guy's stuff for remedial biology”

RecommendsComment from 20 Jan 2026 in “Study: Minimal evidence links social media, gaming to teen mental health issues”

“you can search Youtube and find a great Khan Academy/3b1b collab explaining it”

RecommendsComment from 4 Jan 2026 in “Neural Networks: Zero to Hero”

“we mostly use them to learn how to type, write, draw, play learning games, Khan Academy”

RecommendsComment from 2 Jan 2026 in “TIL: Parental Controls Aren't for Parents”

“They have a lot of interactive lessons in early math, where you drag and drop for counting and grouping.”

RecommendsComment from 27 Dec 2025 in “Always Bet on Text”

“they both found it really helpful to look at Khan Academy / YouTube clips to better understand what I was explaining”

RecommendsComment from 16 Nov 2025 in “Where Educational Technology Fails: A seventh-grader's perspective”

“I've heard of adults going through Khan Academy's math curriculum for fun to refresh their math skills.”

RecommendsComment from 12 Nov 2025 in “The R47: A new physical RPN calculator”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.