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Education · head to head

Duolingo vs PictureThis

Duolingo logo

Duolingo

Education

Learn a language for free, forever

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 Duolingo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Duolingo free tier includes ads and energy-based hearts system limiting daily practice without paying; 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: Duolingo covers 40+ languages, PictureThis covers Plant identification.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Duolingo and PictureThis actually diverge.

Attributes where Duolingo and PictureThis differ
AttributeDuolingoPictureThis
Starting priceFreeOn request
Pricing modelUnknownPer year, sold via a short free trial that auto-renews
Free tierYesNo
PlatformsiOS, Android, WebiOS, Android
Founded2011Unknown

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 Duolingo

  • 40+ languages
  • Gamification
  • Streaks
  • Leaderboards
  • Stories
  • Podcasts
  • Speaking exercises
  • AI tutor

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.

Duolingo

  • Language learningnot PictureThis
  • Travel preparationnot PictureThis
  • Career developmentnot PictureThis
  • Cultural explorationnot PictureThis

PictureThis

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

Where each one falls short

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

Duolingo

  • Free tier includes ads and energy-based hearts system limiting daily practice without paying
  • Gamification focus may appeal to casual learners but lacks depth for serious language study beyond conversational basics
  • Limited to short, bite-sized lessons without extensive grammar explanations or cultural context

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

Duolingo

Free
  • FreeFree
    • All language courses
    • Ad-supported
    • Limited hearts (5-heart system)
  • Super$12.99/month
    • Ad-free
    • Unlimited hearts
    • Extra practice tools
  • Super Family$119.99/year
    • Up to 6 users
    • All Super features
    • Family group
  • Max$undefined/mo
    • All Super features
    • Video Call with Lily
    • Roleplay scenarios

PictureThis

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

Which should you pick?

Choose Duolingo if

  • You need 40+ languages.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want gamification.
Duolingo review

Choose PictureThis if

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

Questions people ask

Is Duolingo or PictureThis better?
Neither clearly leads. Duolingo 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, Duolingo or PictureThis?
Duolingo has a free tier; the other does not. Paid plans start at Free for Duolingo and On request for PictureThis.
Does Duolingo or PictureThis run on more platforms?
Duolingo runs on iOS, Android, Web. PictureThis runs on iOS, Android.
Can I use Duolingo for free?
Yes. Duolingo has a free tier, so you can try it without paying. PictureThis starts at On request.
What is Duolingo best used for?
Duolingo is most often used for language learning, travel preparation, career development, cultural exploration. Of those, language learning and travel preparation are not what PictureThis is typically brought in for.
What can Duolingo do that PictureThis cannot?
Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. PictureThis covers Plant identification, Disease diagnosis, Care reminders, Plant care library.

Answered from the vendors’ own pages

Duolingo: What is Duolingo's pricing model?

Duolingo offers free tier with ads and limited features, Super Duolingo at $12.99/month (ad-free, unlimited hearts, extra practice), Super Family at ~$119.99/year for up to 6 users, and Duolingo Max with AI features like Video Call and Roleplay.

Source
PictureThis: Is there a free version?

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

Duolingo: Is Duolingo effective for language learning?

Duolingo has 135+ million monthly active users as of Q3 2025, making it the world's most widely used language-learning app. Its gamified approach and free tier have driven massive adoption.

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.

Duolingo: What AI features does Duolingo Max include?

Duolingo Max includes Video Call for conversation practice with AI character Lily and Roleplay for scenario-based speaking practice. As of January 2026, Explain My Answer became free for all users.

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.

Duolingo: Does Duolingo work offline?

Duolingo is primarily online, though it may offer limited offline lesson downloads on some platforms. Full features require internet connection.

Source
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