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Education · head to head

Duolingo vs Simply Piano

Duolingo logo

Duolingo

Education

Learn a language for free, forever

From
Free
Rated
-
Full reviewWebsite
Simply Piano logo

Simply Piano

Education

Piano-only learning app from JoyTunes using microphone listening, no MIDI keyboard required

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Duolingo free tier includes ads and energy-based hearts system limiting daily practice without paying; Simply Piano microphone-based note detection is less precise than MIDI input for fast or dense passages, so advanced players eventually outgrow its accuracy ceiling.
  • They diverge on capability: Duolingo covers 40+ languages, Simply Piano covers Microphone-based listening.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Duolingo and Simply Piano actually diverge.

Attributes where Duolingo and Simply Piano differ
AttributeDuolingoSimply Piano
Pricing modelUnknownPer user per year or month
Founded2011Unknown

Identical on both: starting price (Free), free tier (Yes), platforms (iOS, Android, Web), 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 Simply Piano

  • Microphone-based listening
  • Structured curriculum
  • Popular song arrangements
  • Kids mode
  • Practice feedback
  • Offline practice mode

What people use each for

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

Duolingo

  • Language learningnot Simply Piano
  • Travel preparationnot Simply Piano
  • Career developmentnot Simply Piano
  • Cultural explorationnot Simply Piano

Simply Piano

  • A complete beginner who owns an acoustic piano and wants structured lessons without a MIDI connectionnot Duolingo
  • A parent choosing a self-guided piano app for a child who does not yet take private lessonsnot Duolingo
  • Someone who wants heavily song-driven practice using popular music rather than only classical exercisesnot Duolingo
  • A household deciding between this and Flowkey based on trial experience and song catalogue fitnot 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

Simply Piano

  • Microphone-based note detection is less precise than MIDI input for fast or dense passages, so advanced players eventually outgrow its accuracy ceiling.
  • Its curriculum is piano only, so anyone wanting to learn a second instrument needs a separate subscription to Yousician or another app.
  • The free trial is limited, and meaningful progress requires the paid annual subscription at around $120 a year.
  • Background noise and an out-of-tune acoustic piano can degrade the accuracy of the microphone-based scoring.
  • It does not go deep into music theory or advanced classical technique, so a serious student will eventually need a human teacher alongside or instead of it.

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

Simply Piano

Free
  • Simply PianoFree
    • Limited introductory lessons
  • Premium$119.99/year
    • Full lesson path and song library
    • Progress tracking
    • Family plan options available

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 Simply Piano if

  • You need microphone-based listening.
  • You want to start without paying.
  • You work on iOS, Android, Web.
  • You also want structured curriculum.
Simply Piano review

Questions people ask

Is Duolingo or Simply Piano better?
Neither clearly leads. Duolingo starts at Free and Simply Piano at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Duolingo or Simply Piano?
Duolingo starts at Free and Simply Piano at Free.
Does Duolingo or Simply Piano run on more platforms?
Both run on iOS, Android, Web, so platform support will not decide this one for you.
Can I use Duolingo for free?
Both have a free tier, so you can try either at no cost before committing.
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 Simply Piano is typically brought in for.
What can Duolingo do that Simply Piano cannot?
Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. Simply Piano covers Microphone-based listening, Structured curriculum, Popular song arrangements, Kids mode.

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
Simply Piano: Do I need a MIDI keyboard for Simply Piano?

No, it listens through your device microphone and works with any acoustic or digital piano.

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
Simply Piano: How is it different from Flowkey?

Both use the same microphone-based, piano-only approach; the difference is mainly curriculum style and song catalogue, worth comparing via free trials.

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
Simply Piano: Is there a kids version?

Yes, a simplified kids-focused mode and companion product exist for younger learners.

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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