Official Life in the UK Test vs Duolingo: Language Lessons

Official Life in the UK Test

TSO (The Stationery Office)
App Store
$80/mo
~$958/yr · 500 installs
VS

Duolingo: Language Lessons

Duolingo
Google Play
$9.16M/mo
~$109.98M/yr · 906.0M installs
Revenue winner Duolingo: Language Lessons wins +11456111% vs other
Installs winner Duolingo: Language Lessons wins +181205668% vs other
MAU winner Duolingo: Language Lessons wins +68195619% vs other
Rating winner Duolingo: Language Lessons wins +178% 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 114562× more per month than Official Life in the UK Test - $9.16M vs $80.
  2. Premium pricing. Duolingo: Language Lessons charges $15.41/mo vs Official Life in the UK Test's $9.99/mo - higher ARPU per converted user.
  3. Bigger install base. Duolingo: Language Lessons has ~906.0M lifetime installs vs Official Life in the UK Test's ~500 - 1812057.7× the funnel top.
  4. Better app store reviews. Duolingo: Language Lessons sits at 4.72★ vs 1.70★ - 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 Life in the UK Test
vs
Duolingo: Language Lessons
Monthly revenue (est.)?
$80
▶
$9.16M
Annual revenue (est.)
$958
▶
$109.98M
Lifetime installs (est.)
500
▶
906.0M
Monthly active users (est.)?
46.5
▶
31.7M
App Store rating
1.70★
▶
4.72★
Total ratings
10
▶
45.0M
US grossing rank
-
=
-
Cheapest monthly sub
$9.99
▶
$15.41
IAP tiers detected
1 tiers
◀
0 tiers

Official Life in the UK Test

TSO (The Stationery Office)
App Store
Category
Education
Price
USD5.99
Released
Apr 12, 2013
Last updated
Feb 8, 2026
File size
149.8 MB
Content rating
4+
Version
2.9.2
Languages
English
View full Official Life in the UK Test 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 Life in the UK Test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Duolingo: Language Lessons trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Official Life in the UK Test App Store page →Duolingo: Language Lessons Play Store page →

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FAQ

Which makes more money, Official Life in the UK Test or Duolingo: Language Lessons? v
Duolingo: Language Lessons earns about $9.16M per month, while Official Life in the UK Test earns about $80. That is a 114562.1× revenue gap (~$9.16M more per month for Duolingo: Language Lessons). Annual revenue: Official Life in the UK Test ≈ $958/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 Life in the UK Test or Duolingo: Language Lessons? v
Duolingo: Language Lessons leads with about 906.0M estimated downloads vs 500 for Official Life in the UK Test - a 1812057.7× gap. Official Life in the UK Test's App Store downloads are estimated from 10 ratings × the standard 1:75 ratio. Duolingo: Language Lessons reports 500,000,000+ installs on Google Play.
Are Official Life in the UK Test 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 Life in the UK Test and Duolingo: Language Lessons offer? v
Official Life in the UK Test: IAP range 1 tiers detected. Duolingo: Language Lessons: IAP range $0.99 - $239.99 per item. Official Life in the UK Test 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 Life in the UK Test or Duolingo: Language Lessons? v
Duolingo: Language Lessons edges ahead with ★ 4.7 vs ★ 1.7 (gap of 3.0 stars). Rating volume: Official Life in the UK Test 10 ratings, Duolingo: Language Lessons 940K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Official Life in the UK Test vs Duolingo: Language Lessons revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $80 for Official Life in the UK Test 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 Life in the UK Test 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.