Duolingo: Language Lessons vs CLASS101: Learn Online

Duolingo: Language Lessons

Duolingo
App Store
$20.79M/mo
~$249.50M/yr · 600.0M installs
VS

CLASS101: Learn Online

CLASS101
Google Play
$49.7K/mo
~$596.2K/yr · 2.8M installs
Revenue winner Duolingo: Language Lessons wins +41746% vs other
Installs winner Duolingo: Language Lessons wins +21374% vs other
MAU winner Duolingo: Language Lessons wins +70862% vs other
Rating winner Duolingo: Language Lessons wins +9% vs other

Why Duolingo: Language Lessons is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Duolingo: Language Lessons earns roughly 418× more per month than CLASS101: Learn Online - $20.79M vs $49.7K.
  2. Aggressive pricing. Duolingo: Language Lessons undercuts at $9.99/mo vs $22.32/mo - converts a higher % of free users.
  3. Bigger install base. Duolingo: Language Lessons has ~600.0M lifetime installs vs CLASS101: Learn Online's ~2.8M - 214.7× the funnel top.
  4. More monetization surfaces. Duolingo: Language Lessons runs 6 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Duolingo: Language Lessons report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

Duolingo: Language Lessons
vs
CLASS101: Learn Online
Monthly revenue (est.)?
$20.79M
◀
$49.7K
Annual revenue (est.)
$249.50M
◀
$596.2K
Lifetime installs (est.)
600.0M
◀
2.8M
Monthly active users (est.)?
115.0M
◀
162K
App Store rating
4.73★
◀
4.34★
Total ratings
5.1M
◀
27K
US grossing rank
#36
◀
-
Cheapest monthly sub
$9.99
▶
$22.32
IAP tiers detected
6 tiers
◀
0 tiers

Duolingo: Language Lessons

Duolingo
App Store
Category
Education
Price
Free
Released
Nov 13, 2012
Last updated
May 5, 2026
File size
498.6 MB
Content rating
4+
Version
7.121.0
Languages
Arabic, BN, Czech, Dutch, English, French +22 more
View full Duolingo: Language Lessons report →

CLASS101: Learn Online

CLASS101
Google Play
Category
Education
Price
Free
Released
Dec 6, 2017
Last updated
May 6, 2026
File size
-
Content rating
Everyone
Version
1.12.0
Languages
-
View full CLASS101: Learn Online report →

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

CLASS101: Learn Online trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Duolingo: Language Lessons App Store page →CLASS101: Learn Online Play Store page →

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FAQ

Which makes more money, Duolingo: Language Lessons or CLASS101: Learn Online? v
Duolingo: Language Lessons earns about $20.79M per month, while CLASS101: Learn Online earns about $49.7K. That is a 418.5× revenue gap (~$20.74M more per month for Duolingo: Language Lessons). Annual revenue: Duolingo: Language Lessons ≈ $249.50M/year, CLASS101: Learn Online ≈ $596.2K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Duolingo: Language Lessons or CLASS101: Learn Online? v
Duolingo: Language Lessons leads with about 600.0M estimated downloads vs 2.8M for CLASS101: Learn Online - a 214.7× gap. Duolingo: Language Lessons's App Store downloads are estimated from 5.1M ratings × the standard 1:75 ratio. CLASS101: Learn Online reports 1,000,000+ installs on Google Play.
Are Duolingo: Language Lessons and CLASS101: Learn Online in the same App Store category on each store and competing for the same money? v
Yes - both apps sit in the Education category, which means they compete directly for the same paying users and category-level wallet share. Direct competitors, head-to-head.
What in-app purchases and subscription pricing do Duolingo: Language Lessons and CLASS101: Learn Online offer? v
Duolingo: Language Lessons: IAP range 6 tiers detected. CLASS101: Learn Online: IAP range $2.49 - $199.99 per item. Duolingo: Language Lessons runs a "Subscription (~$9.99/mo, language) · calibrated by US grossing rank #36" monetization model; CLASS101: Learn Online runs "Subscription (~$22.32/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Duolingo: Language Lessons or CLASS101: Learn Online? v
Duolingo: Language Lessons edges ahead with ★ 4.7 vs ★ 4.3 (gap of 0.4 stars). Rating volume: Duolingo: Language Lessons 5.1M ratings, CLASS101: Learn Online 23 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Duolingo: Language Lessons vs CLASS101: Learn Online revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $20.79M for Duolingo: Language Lessons and $49.7K for CLASS101: Learn Online are derived from App Store grossing rank / Google Play install ranges, scraped IAP tiers, ratings volume and category benchmarks (Education) - net of the 15-30% Apple/Google store cut. Real revenue depends on country mix, retention, refunds and ad fill rate, none of which Apple or Google publish.
How do I compare Duolingo: Language Lessons or CLASS101: Learn Online to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play links into the homepage tool. We auto-generate a permanent comparison URL with revenue, downloads, IAP tiers, subscription pricing and grossing rank for both apps.