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Education · head to head

Khan Academy vs PictureThis

Khan Academy logo

Khan Academy

Education

Free world-class education for anyone, anywhere

From
Free
Rated
-
Full reviewWebsite
PictureThis logo

PictureThis

Education

Commercial plant identification app with a short free trial that converts to an annual subscription

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Khan Academy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Khan Academy the Internet Archive's capture of Khan Academy's homepage on 1 January 2021 stated it is a 501(c)(3) nonprofit and that its full library of practice and lessons 'is all free for learners and teachers', funded by donations rather than subscriptions.; PictureThis the free trial converts to a paid annual subscription automatically, and a documented pattern of user complaints describes unexpected charges when the trial was not cancelled in time.
  • They diverge on capability: Khan Academy covers Video lessons, PictureThis covers Plant identification.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Khan Academy and PictureThis actually diverge.

Attributes where Khan Academy and PictureThis differ
AttributeKhan AcademyPictureThis
Starting priceFreeOn request
Pricing modelfreePer year, sold via a short free trial that auto-renews
Free tierYesNo
PlatformsWeb, IOS, AndroidiOS, Android
Founded2008Unknown

Identical on both: user rating (Not yet rated), category (Education).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Khan Academy

  • Video lessons
  • Practice exercises
  • Mastery system
  • Progress tracking
  • Personalized learning
  • Teacher tools
  • Parent dashboard
  • Test prep

Only in PictureThis

  • Plant identification
  • Disease diagnosis
  • Care reminders
  • Plant care library
  • Toxicity warnings
  • My Garden tracking

What people use each for

The jobs each tool is most often brought in to do.

Khan Academy

  • Free self paced learning across maths, science and humanitiesnot PictureThis
  • Assigning practice and tracking student progress in a classroomnot PictureThis

PictureThis

  • A gardener who wants ongoing care reminders and disease diagnosis, not just a one-off identificationnot Khan Academy
  • Someone willing to pay for a more polished interface than the free nonprofit alternativesnot Khan Academy
  • A plant owner who wants toxicity warnings for pets and childrennot Khan Academy
  • A buyer who reads the trial terms carefully and sets a reminder to cancel before it convertsnot Khan Academy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Khan Academy

  • The Internet Archive's capture of Khan Academy's homepage on 1 January 2021 stated it is a 501(c)(3) nonprofit and that its full library of practice and lessons 'is all free for learners and teachers', funded by donations rather than subscriptions.

PictureThis

  • The free trial converts to a paid annual subscription automatically, and a documented pattern of user complaints describes unexpected charges when the trial was not cancelled in time.
  • Cancellation has to be done through App Store or Play Store account settings, not by deleting the app, which catches users off guard.
  • It solves the same core identification problem that Seek, PlantNet and Merlin solve for free, so the paid tier is competing against genuinely free options for the same task.
  • Care guidance for uncommon or exotic species is criticised as generic rather than specific.
  • Being a commercial product from a company that publishes near-identical identification apps for other categories, its plant-specific depth is not obviously deeper than a dedicated botanical tool.

Pricing, plan by plan

Khan Academy

Free
  • FreeFree
    • Video lessons
    • Practice exercises
    • Progress tracking

PictureThis

On request
  • PictureThis Annual$39.99/year
    • Unlimited plant identifications
    • Disease diagnosis
    • Care reminders and guides

Which should you pick?

Choose Khan Academy if

  • You need video lessons.
  • You want to start without paying.
  • You work on Web, IOS, Android.
  • You also want practice exercises.
Khan Academy review

Choose PictureThis if

  • You need plant identification.
  • You work on iOS, Android.
  • You also want disease diagnosis.
PictureThis review

Questions people ask

Is Khan Academy or PictureThis better?
Neither clearly leads. Khan Academy starts at Free and PictureThis at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Khan Academy or PictureThis?
Khan Academy has a free tier; the other does not. Paid plans start at Free for Khan Academy and On request for PictureThis.
Does Khan Academy or PictureThis run on more platforms?
Khan Academy runs on Web, IOS, Android. PictureThis runs on iOS, Android.
Can I use Khan Academy for free?
Yes. Khan Academy has a free tier, so you can try it without paying. PictureThis starts at On request.
What is Khan Academy best used for?
Khan Academy is most often used for free self paced learning across maths, science and humanities, assigning practice and tracking student progress in a classroom. Of those, free self paced learning across maths, science and humanities and assigning practice and tracking student progress in a classroom are not what PictureThis is typically brought in for.
What can Khan Academy do that PictureThis cannot?
Khan Academy covers Video lessons, Practice exercises, Mastery system, Progress tracking. PictureThis covers Plant identification, Disease diagnosis, Care reminders, Plant care library.

Answered from the vendors’ own pages

Khan Academy: Is Khan Academy free?

Yes. Khan Academy is a 501(c)(3) nonprofit and states that it is a free tool for students, teachers and parents alike, with over 840 free courses and teacher tools provided at no cost. It relies on donor support rather than fees.

Source
PictureThis: Is there a free version?

A limited free tier exists with restricted identifications and ads; full use requires the paid subscription.

Khan Academy: Who is Khan Academy for?

Khan Academy serves students, teachers and parents, covering core academic subjects from K-12 through early college. The platform is available in more than 190 countries and over 55 languages.

Source
PictureThis: How long is the free trial and does it auto-renew?

The trial is typically about seven days and auto-renews into the annual subscription unless cancelled beforehand through your App Store or Play Store settings.

Khan Academy: How is Khan Academy funded if it is free?

As a 501(c)(3) nonprofit, Khan Academy is funded by donations rather than subscriptions. Its about page states that donor support is what keeps the classroom tools free.

Source
PictureThis: Is PictureThis the same as PlantNet or Seek?

No. PlantNet and Seek are free nonprofit identification tools; PictureThis is a commercial subscription product with more built-in care features.

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