Duolingo: Language Lessons vs Official DVSA Theory Test Kit

Duolingo: Language Lessons

Duolingo
App Store
$20.96M/mo
~$251.56M/yr · 600.0M installs
VS

Official DVSA Theory Test Kit

TSO (The Stationery Office)
App Store
$439/mo
~$5.3K/yr · 3K installs
Revenue winner Duolingo: Language Lessons wins +4775058% vs other
Installs winner Duolingo: Language Lessons wins +21818082% vs other
MAU winner Duolingo: Language Lessons wins +36363536% vs other
Rating winner Duolingo: Language Lessons wins +8% 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 47752× more per month than Official DVSA Theory Test Kit - $20.96M vs $439.
  2. Aggressive pricing. Duolingo: Language Lessons undercuts at $9.99/mo vs $21.68/mo - converts a higher % of free users.
  3. Bigger install base. Duolingo: Language Lessons has ~600.0M lifetime installs vs Official DVSA Theory Test Kit's ~3K - 218181.8× the funnel top.
  4. More monetization surfaces. Duolingo: Language Lessons runs 6 IAP tiers vs 2 - 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
Official DVSA Theory Test Kit
Monthly revenue (est.)?
$20.96M
◀
$439
Annual revenue (est.)
$251.56M
◀
$5.3K
Lifetime installs (est.)
600.0M
◀
3K
Monthly active users (est.)?
115.0M
◀
316.25
App Store rating
4.73★
◀
4.38★
Total ratings
5.1M
◀
55
US grossing rank
#35
◀
-
Cheapest monthly sub
$9.99
▶
$21.68
IAP tiers detected
6 tiers
◀
2 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 →

Official DVSA Theory Test Kit

TSO (The Stationery Office)
App Store
Category
Education
Price
USD5.99
Released
Sep 20, 2011
Last updated
Apr 23, 2026
File size
1.16 GB
Content rating
4+
Version
6.13.1
Languages
English
View full Official DVSA Theory Test Kit report →

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Official DVSA Theory Test Kit trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Duolingo: Language Lessons App Store page →Official DVSA Theory Test Kit App Store page →

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FAQ

Which makes more money, Duolingo: Language Lessons or Official DVSA Theory Test Kit? v
Duolingo: Language Lessons earns about $20.96M per month, while Official DVSA Theory Test Kit earns about $439. That is a 47751.6× revenue gap (~$20.96M more per month for Duolingo: Language Lessons). Annual revenue: Duolingo: Language Lessons ≈ $251.56M/year, Official DVSA Theory Test Kit ≈ $5.3K/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 Official DVSA Theory Test Kit? v
Duolingo: Language Lessons leads with about 600.0M estimated downloads vs 3K for Official DVSA Theory Test Kit - a 218181.8× gap. Duolingo: Language Lessons's App Store downloads are estimated from 5.1M ratings × the standard 1:75 ratio. Official DVSA Theory Test Kit's App Store downloads are estimated from 55 ratings.
Are Duolingo: Language Lessons and Official DVSA Theory Test Kit 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 Official DVSA Theory Test Kit offer? v
Duolingo: Language Lessons: IAP range 6 tiers detected. Official DVSA Theory Test Kit: IAP range 2 tiers detected. Duolingo: Language Lessons runs a "Subscription (~$9.99/mo, language) · calibrated by US grossing rank #35" monetization model; Official DVSA Theory Test Kit runs "Paid app ($5.99)". 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 Official DVSA Theory Test Kit? v
Duolingo: Language Lessons edges ahead with ★ 4.7 vs ★ 4.4 (gap of 0.3 stars). Rating volume: Duolingo: Language Lessons 5.1M ratings, Official DVSA Theory Test Kit 55 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Duolingo: Language Lessons vs Official DVSA Theory Test Kit revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $20.96M for Duolingo: Language Lessons and $439 for Official DVSA Theory Test Kit 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 Official DVSA Theory Test Kit 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.