Software · head to head
Duolingo vs Labster
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; Labster customization is limited and labs cannot be easily adapted to specific course learning outcomes
- They diverge on capability: Duolingo covers 40+ languages, Labster covers Virtual simulations.
Where they differ
Only the attributes on which Duolingo and Labster actually diverge.
Identical on both: 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 Duolingo
- 40+ languages
- Gamification
- Streaks
- Leaderboards
- Stories
- Podcasts
- Speaking exercises
- AI tutor
Only in Labster
- Virtual simulations
- 3D environments
- Theory pages
- Quizzes
- Lab reports
- Progress tracking
- Mobile access
- Multiplayer
Both cover
- Google Classroom
- Web support
- IOS support
- Android support
What people use each for
The jobs each tool is most often brought in to do.
Duolingo
- Language learningnot Labster
- Travel preparationnot Labster
- Career developmentnot Labster
- Cultural explorationnot Labster
Labster
- Virtual labsnot Duolingo
- Pre-lab preparationnot Duolingo
- Supplemental learningnot Duolingo
- Remote educationnot 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
Labster
- Customization is limited and labs cannot be easily adapted to specific course learning outcomes
- Simulations can lag or freeze depending on operating system and connection speed
- Cannot fully replace hands-on physical lab experience and data collection
- Students report preference for tactile physical lab experience over virtual simulations
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$119.99/year
- Up to 6 users
- All Super features
- Family group
- Max$null/mo
- All Super features
- Video Call with Lily
- Roleplay scenarios
Labster
On request- Student Access$49/month
- Course simulations
- Mobile access
- Progress tracking
- Institution$undefined/month
- All simulations
- LMS integration
- Analytics
- Enterprise$undefined/month
- Custom content
- API access
- Priority support
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.
Questions people ask
- Is Duolingo or Labster better?
- Neither clearly leads. Duolingo starts at Free and Labster at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Duolingo or Labster?
- Duolingo has a free tier; the other does not. Paid plans start at Free for Duolingo and On request for Labster.
- Does Duolingo or Labster run on more platforms?
- Duolingo runs on iOS, Android, Web. Labster runs on Web.
- Can I use Duolingo for free?
- Yes. Duolingo has a free tier, so you can try it without paying. Labster 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 Labster is typically brought in for.
- What can Duolingo do that Labster cannot?
- Duolingo covers 40+ languages, Gamification, Streaks, Leaderboards. Labster covers Virtual simulations, 3D environments, Theory pages, Quizzes. Both handle Google Classroom, 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.
SourceLabster: What STEM subjects does Labster cover?
Labster provides interactive 3D simulations across biology, chemistry, physics, and other STEM subjects, designed for university, college, and high school students.
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.
SourceLabster: How many students has Labster served?
Labster has served over 6 million students and thousands of institutions globally with its virtual lab simulations.
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.
SourceDuolingo: 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