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Codecademy vs Duolingo

Codecademy logo

Codecademy

Software

Learn to code interactively for free

From
Free
Rated
-
Full reviewWebsite
Duolingo logo

Duolingo

Software

Learn a language for free, forever

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Codecademy free plan has limited access to quizzes and projects; Duolingo free tier includes ads and energy-based hearts system limiting daily practice without paying
  • They diverge on capability: Codecademy covers Interactive coding, Duolingo covers 40+ languages.

Where they differ

Only the attributes on which Codecademy and Duolingo actually diverge.

Attributes where Codecademy and Duolingo differ
AttributeCodecademyDuolingo
Pricing modelfreemiumUnknown
PlatformsWebiOS, Android, Web

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2011).

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 Codecademy

  • Interactive coding
  • Instant feedback
  • Projects
  • Quizzes
  • Career paths
  • Mobile app
  • Offline practice
  • Community forums

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.

Codecademy

  • Learn to codenot Duolingo
  • Career transitionnot Duolingo
  • Skill buildingnot Duolingo
  • Portfolio projectsnot Duolingo

Duolingo

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

Where each one falls short

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

Codecademy

  • Free plan has limited access to quizzes and projects
  • Pro pricing at $15.99/month is among the higher options for coding education platforms

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

Codecademy

Free
  • FreeFree
    • Basic courses
    • Interactive lessons
    • Community
  • Plus$17.49/month
    • All courses
    • Projects
    • Quizzes
  • Pro$29.99/month
    • Everything in Plus
    • Interview prep
    • Real-world projects

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 Codecademy if

  • You need interactive coding.
  • You want to start without paying.
  • You also want instant feedback.
Codecademy 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 Codecademy or Duolingo better?
Neither clearly leads. Codecademy starts at Free and Duolingo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Codecademy or Duolingo?
Codecademy starts at Free and Duolingo at Free.
Does Codecademy or Duolingo run on more platforms?
Codecademy runs on Web. Duolingo runs on iOS, Android, Web.
Can I use Codecademy for free?
Both have a free tier, so you can try either at no cost before committing.
What is Codecademy best used for?
Codecademy is most often used for learn to code, career transition, skill building, portfolio projects. Of those, learn to code and career transition are not what Duolingo is typically brought in for.
What can Codecademy do that Duolingo cannot?
Codecademy covers Interactive coding, Instant feedback, Projects, Quizzes. Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. Both handle Web support, IOS support, Android support.

Answered from the vendors’ own pages

Codecademy: Does Codecademy have a free plan?

Yes. Codecademy offers a permanent free plan with access to basic courses and introductory content. Advanced features like quizzes, projects, and career paths require Pro with a 7-day free trial.

Source
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
Codecademy: What is Codecademy Pro pricing?

Codecademy Pro costs $15.99/month when billed annually. Student pricing is available at a discount.

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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