Official DVSA Theory Test Kit vs Duolingo: Language Lessons

Official DVSA Theory Test Kit

TSO (The Stationery Office)
App Store
$439/mo
~$5.3K/yr · 3K installs
VS

Duolingo: Language Lessons

Duolingo
Google Play
$9.16M/mo
~$109.98M/yr · 906.0M installs
Revenue winner Duolingo: Language Lessons wins +2087593% vs other
Installs winner Duolingo: Language Lessons wins +32946403% vs other
MAU winner Duolingo: Language Lessons wins +10027097% 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 20877× more per month than Official DVSA Theory Test Kit - $9.16M vs $439.
  2. Aggressive pricing. Duolingo: Language Lessons undercuts at $15.41/mo vs $21.68/mo - converts a higher % of free users.
  3. Bigger install base. Duolingo: Language Lessons has ~906.0M lifetime installs vs Official DVSA Theory Test Kit's ~3K - 329465.0× the funnel top.
  4. Better app store reviews. Duolingo: Language Lessons sits at 4.72★ vs 4.38★ - store algorithms reward higher-rated apps with more impressions.

→ 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.

Official DVSA Theory Test Kit
vs
Duolingo: Language Lessons
Monthly revenue (est.)?
$439
▶
$9.16M
Annual revenue (est.)
$5.3K
▶
$109.98M
Lifetime installs (est.)
3K
▶
906.0M
Monthly active users (est.)?
316.25
▶
31.7M
App Store rating
4.38★
▶
4.72★
Total ratings
55
▶
45.0M
US grossing rank
-
=
-
Cheapest monthly sub
$21.68
◀
$15.41
IAP tiers detected
2 tiers
◀
0 tiers

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

Duolingo
Google Play
Category
Education
Price
Free
Released
May 29, 2013
Last updated
May 4, 2026
File size
-
Content rating
Everyone
Version
VARY
Languages
-
View full Duolingo: Language Lessons report →

Official DVSA Theory Test Kit trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

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

Related comparisons

Citb Op Spec Hs E Test iOS vs Official Dvsa Theory Test Kit iOSDriving Theory Test 4 in 1 Kit iOS vs Official Dvsa Theory Test Kit iOSCitb Map Hs E Test V10 iOS vs Official Dvsa Theory Test Kit iOSAnkimobile Flashcards iOS vs Official Dvsa Theory Test Kit iOSOfficial Dvsa Theory Test Kit iOS vs Official Life in the Uk Test iOSOfficial Dvsa Theory Test Kit iOS vs The Official Dvsa Highway Code iOS

Compare another pair

FAQ

Which makes more money, Official DVSA Theory Test Kit or Duolingo: Language Lessons? v
Duolingo: Language Lessons earns about $9.16M per month, while Official DVSA Theory Test Kit earns about $439. That is a 20876.9× revenue gap (~$9.16M more per month for Duolingo: Language Lessons). Annual revenue: Official DVSA Theory Test Kit ≈ $5.3K/year, Duolingo: Language Lessons ≈ $109.98M/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Official DVSA Theory Test Kit or Duolingo: Language Lessons? v
Duolingo: Language Lessons leads with about 906.0M estimated downloads vs 3K for Official DVSA Theory Test Kit - a 329465.0× gap. Official DVSA Theory Test Kit's App Store downloads are estimated from 55 ratings × the standard 1:75 ratio. Duolingo: Language Lessons reports 500,000,000+ installs on Google Play.
Are Official DVSA Theory Test Kit and Duolingo: Language Lessons 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 Official DVSA Theory Test Kit and Duolingo: Language Lessons offer? v
Official DVSA Theory Test Kit: IAP range 2 tiers detected. Duolingo: Language Lessons: IAP range $0.99 - $239.99 per item. Official DVSA Theory Test Kit runs a "Paid app ($5.99)" monetization model; Duolingo: Language Lessons runs "Subscription (~$15.41/mo, language)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Official DVSA Theory Test Kit or Duolingo: Language Lessons? v
Duolingo: Language Lessons edges ahead with ★ 4.7 vs ★ 4.4 (gap of 0.3 stars). Rating volume: Official DVSA Theory Test Kit 55 ratings, Duolingo: Language Lessons 940K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Official DVSA Theory Test Kit vs Duolingo: Language Lessons revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $439 for Official DVSA Theory Test Kit and $9.16M for Duolingo: Language Lessons 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 Official DVSA Theory Test Kit or Duolingo: Language Lessons 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.