Duolingo: Language Lessons vs Mondly: Learn 41 Languages

Duolingo: Language Lessons

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

Mondly: Learn 41 Languages

ATi Studios
App Store
$222.7K/mo
~$2.67M/yr · 3.5M installs
Revenue winner Duolingo: Language Lessons wins +9236% vs other
Installs winner Duolingo: Language Lessons wins +17011% vs other
MAU winner Duolingo: Language Lessons wins +12914% vs other
Rating winner Mondly: Learn 41 Languages wins +0% 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 93× more per month than Mondly: Learn 41 Languages - $20.79M vs $222.7K.
  2. Premium pricing. Duolingo: Language Lessons charges $9.99/mo vs Mondly: Learn 41 Languages's $7.99/mo - higher ARPU per converted user.
  3. Bigger install base. Duolingo: Language Lessons has ~600.0M lifetime installs vs Mondly: Learn 41 Languages's ~3.5M - 171.1× the funnel top.
  4. Charts placement. Duolingo: Language Lessons ranks #36 on the US grossing chart (the other app is unranked) - chart placement is a self-reinforcing flywheel.

→ 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
Mondly: Learn 41 Languages
Monthly revenue (est.)?
$20.79M
◀
$222.7K
Annual revenue (est.)
$249.50M
◀
$2.67M
Lifetime installs (est.)
600.0M
◀
3.5M
Monthly active users (est.)?
115.0M
◀
884K
App Store rating
4.73★
▶
4.73★
Total ratings
5.1M
◀
32K
US grossing rank
#36
◀
-
Cheapest monthly sub
$9.99
◀
$7.99
IAP tiers detected
6 tiers
▶
7 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 →

Mondly: Learn 41 Languages

ATi Studios
App Store
Category
Education
Price
Free
Released
Jun 4, 2015
Last updated
Mar 19, 2026
File size
251.4 MB
Content rating
4+
Version
10.67.0
Languages
AF, Arabic, Bulgarian, Croatian, Czech, Danish +26 more
View full Mondly: Learn 41 Languages report →

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Mondly: Learn 41 Languages trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Duolingo: Language Lessons App Store page →Mondly: Learn 41 Languages App Store page →

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FAQ

Which makes more money, Duolingo: Language Lessons or Mondly: Learn 41 Languages? v
Duolingo: Language Lessons earns about $20.79M per month, while Mondly: Learn 41 Languages earns about $222.7K. That is a 93.4× revenue gap (~$20.57M more per month for Duolingo: Language Lessons). Annual revenue: Duolingo: Language Lessons ≈ $249.50M/year, Mondly: Learn 41 Languages ≈ $2.67M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Duolingo: Language Lessons or Mondly: Learn 41 Languages? v
Duolingo: Language Lessons leads with about 600.0M estimated downloads vs 3.5M for Mondly: Learn 41 Languages - a 171.1× gap. Duolingo: Language Lessons's App Store downloads are estimated from 5.1M ratings × the standard 1:75 ratio. Mondly: Learn 41 Languages's App Store downloads are estimated from 32K ratings.
Are Duolingo: Language Lessons and Mondly: Learn 41 Languages in the same App Store category 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 Mondly: Learn 41 Languages offer? v
Duolingo: Language Lessons: IAP range 6 tiers detected. Mondly: Learn 41 Languages: IAP range 7 tiers detected. Duolingo: Language Lessons runs a "Subscription (~$9.99/mo, language) · calibrated by US grossing rank #36" monetization model; Mondly: Learn 41 Languages runs "Subscription (~$6.24/mo, language)". 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 Mondly: Learn 41 Languages? v
Mondly: Learn 41 Languages edges ahead with ★ 4.7 vs ★ 4.7 (gap of 0.0 stars). Rating volume: Duolingo: Language Lessons 5.1M ratings, Mondly: Learn 41 Languages 32K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Duolingo: Language Lessons vs Mondly: Learn 41 Languages revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $20.79M for Duolingo: Language Lessons and $222.7K for Mondly: Learn 41 Languages are derived from App Store grossing rank, 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 Mondly: Learn 41 Languages to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store 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.