Driving Theory Test 4 in 1 Kit vs Duolingo: Language Lessons

Driving Theory Test 4 in 1 Kit

Driving Test Success Limited
App Store
$5.7K/mo
~$68.1K/yr · 36K installs
VS

Duolingo: Language Lessons

Duolingo
App Store
$20.79M/mo
~$249.50M/yr · 600.0M installs
Revenue winner Duolingo: Language Lessons wins +366009% vs other
Installs winner Duolingo: Language Lessons wins +1687664% vs other
MAU winner Duolingo: Language Lessons wins +2718287% vs other
Rating winner Driving Theory Test 4 in 1 Kit wins +2% 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 3661× more per month than Driving Theory Test 4 in 1 Kit - $20.79M vs $5.7K.
  2. Premium pricing. Duolingo: Language Lessons charges $9.99/mo vs Driving Theory Test 4 in 1 Kit's $3.99/mo - higher ARPU per converted user.
  3. Bigger install base. Duolingo: Language Lessons has ~600.0M lifetime installs vs Driving Theory Test 4 in 1 Kit's ~36K - 16877.6× 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.

Driving Theory Test 4 in 1 Kit
vs
Duolingo: Language Lessons
Monthly revenue (est.)?
$5.7K
▶
$20.79M
Annual revenue (est.)
$68.1K
▶
$249.50M
Lifetime installs (est.)
36K
▶
600.0M
Monthly active users (est.)?
4K
▶
115.0M
App Store rating
4.84★
◀
4.73★
Total ratings
711
▶
5.1M
US grossing rank
-
▶
#36
Cheapest monthly sub
$3.99
▶
$9.99
IAP tiers detected
6 tiers
=
6 tiers

Driving Theory Test 4 in 1 Kit

Driving Test Success Limited
App Store
Category
Education
Price
USD5.99
Released
Aug 18, 2014
Last updated
May 5, 2026
File size
256.7 MB
Content rating
12+
Version
2.1.251
Languages
English
View full Driving Theory Test 4 in 1 Kit report →

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 →

Driving Theory Test 4 in 1 Kit trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Driving Theory Test 4 in 1 Kit App Store page →Duolingo: Language Lessons App Store page →

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Compare another pair

FAQ

Which makes more money, Driving Theory Test 4 in 1 Kit or Duolingo: Language Lessons? v
Duolingo: Language Lessons earns about $20.79M per month, while Driving Theory Test 4 in 1 Kit earns about $5.7K. That is a 3661.1× revenue gap (~$20.79M more per month for Duolingo: Language Lessons). Annual revenue: Driving Theory Test 4 in 1 Kit ≈ $68.1K/year, Duolingo: Language Lessons ≈ $249.50M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Driving Theory Test 4 in 1 Kit or Duolingo: Language Lessons? v
Duolingo: Language Lessons leads with about 600.0M estimated downloads vs 36K for Driving Theory Test 4 in 1 Kit - a 16877.6× gap. Driving Theory Test 4 in 1 Kit's App Store downloads are estimated from 708 ratings × the standard 1:75 ratio. Duolingo: Language Lessons's App Store downloads are estimated from 5.1M ratings.
Are Driving Theory Test 4 in 1 Kit and Duolingo: Language Lessons 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 Driving Theory Test 4 in 1 Kit and Duolingo: Language Lessons offer? v
Driving Theory Test 4 in 1 Kit: IAP range 6 tiers detected. Duolingo: Language Lessons: IAP range 6 tiers detected. Driving Theory Test 4 in 1 Kit runs a "Paid app ($5.99)" monetization model; Duolingo: Language Lessons runs "Subscription (~$9.99/mo, language) · calibrated by US grossing rank #36". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Driving Theory Test 4 in 1 Kit or Duolingo: Language Lessons? v
Driving Theory Test 4 in 1 Kit edges ahead with ★ 4.8 vs ★ 4.7 (gap of 0.1 stars). Rating volume: Driving Theory Test 4 in 1 Kit 708 ratings, Duolingo: Language Lessons 5.1M ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Driving Theory Test 4 in 1 Kit vs Duolingo: Language Lessons revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $5.7K for Driving Theory Test 4 in 1 Kit and $20.79M for Duolingo: Language Lessons 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 Driving Theory Test 4 in 1 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 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.