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Learning Management · head to head

Cornerstone Learning vs Duolingo

Cornerstone Learning logo

Cornerstone Learning

Learning Management

Enterprise talent management and learning

From
On request
Rated
-
Full reviewWebsite
Duolingo logo

Duolingo

Education & E-Learning

Learn a language for free, forever

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Duolingo has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cornerstone Learning no pricing is published and no tier structure is shown; Duolingo free tier includes ads and energy-based hearts system limiting daily practice without paying
  • They diverge on capability: Cornerstone Learning covers Learning management, Duolingo covers 40+ languages.

Where they differ

Only the attributes on which Cornerstone Learning and Duolingo actually diverge.

Attributes where Cornerstone Learning and Duolingo differ
AttributeCornerstone LearningDuolingo
Starting priceOn requestFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, IOS, Android, APIiOS, Android, Web
CategoryLearning ManagementEducation & E-Learning
Founded19992011

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

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 Cornerstone Learning

  • Learning management
  • Compliance tracking
  • Content marketplace
  • Skills development
  • Social learning
  • Analytics
  • Mobile app
  • AI recommendations

Only in Duolingo

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

Both cover

  • Web support
  • IOS support
  • Android support

What people use each for

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

Cornerstone Learning

  • Enterprise learning management and compliance trainingnot Duolingo
  • Talent development and skills tracking across a workforcenot Duolingo

Duolingo

  • Language learningnot Cornerstone Learning
  • Travel preparationnot Cornerstone Learning
  • Career developmentnot Cornerstone Learning
  • Cultural explorationnot Cornerstone Learning

Where each one falls short

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

Cornerstone Learning

  • No pricing is published and no tier structure is shown
  • The vendor states cost depends on organisational needs and size, with an estimate available only after a demo
  • No minimum purchase or user count is disclosed

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

Pricing, plan by plan

Cornerstone Learning

On request
  • Learning$undefined/month
    • Course management
    • Compliance
    • Mobile
  • Talent Suite$undefined/month
    • All Learning
    • Performance
    • Recruiting

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$119.99/year
    • Up to 6 users
    • All Super features
    • Family group
  • Max$null/mo
    • All Super features
    • Video Call with Lily
    • Roleplay scenarios

Which should you pick?

Choose Cornerstone Learning if

  • You need learning management.
  • You work on Web, IOS, Android, API.
  • You also want compliance tracking.
Cornerstone Learning review

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

Questions people ask

Is Cornerstone Learning or Duolingo better?
Neither clearly leads. Cornerstone Learning starts at On request and Duolingo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cornerstone Learning or Duolingo?
Duolingo has a free tier; the other does not. Paid plans start at On request for Cornerstone Learning and Free for Duolingo.
Does Cornerstone Learning or Duolingo run on more platforms?
Cornerstone Learning runs on Web, IOS, Android, API. Duolingo runs on iOS, Android, Web.
Can I use Duolingo for free?
Yes. Duolingo has a free tier, so you can try it without paying. Cornerstone Learning starts at On request.
What is Cornerstone Learning best used for?
Cornerstone Learning is most often used for enterprise learning management and compliance training, talent development and skills tracking across a workforce. Of those, enterprise learning management and compliance training and talent development and skills tracking across a workforce are not what Duolingo is typically brought in for.
What can Cornerstone Learning do that Duolingo cannot?
Cornerstone Learning covers Learning management, Compliance tracking, Content marketplace, Skills development. Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. Both handle Web support, IOS support, Android support.

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
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
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
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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