Official DVSA Theory Test Kit vs Cambly - Learn English

Official DVSA Theory Test Kit

TSO (The Stationery Office)
App Store
$455/mo
~$5.5K/yr · 3K installs
VS

Cambly - Learn English

Cambly Inc
Google Play
$456.1K/mo
~$5.47M/yr · 22.1M installs
Revenue winner Cambly - Learn English wins +100132% vs other
Installs winner Cambly - Learn English wins +776788% vs other
MAU winner Cambly - Learn English wins +506566% vs other
Rating winner Cambly - Learn English wins +8% vs other

Why Cambly - Learn English is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Cambly - Learn English earns roughly 1002× more per month than Official DVSA Theory Test Kit - $456.1K vs $455.
  2. Aggressive pricing. Cambly - Learn English undercuts at $14.00/mo vs $21.68/mo - converts a higher % of free users.
  3. Bigger install base. Cambly - Learn English has ~22.1M lifetime installs vs Official DVSA Theory Test Kit's ~3K - 7768.9× the funnel top.
  4. Better app store reviews. Cambly - Learn English sits at 4.68★ vs 4.35★ - store algorithms reward higher-rated apps with more impressions.

→ Find more apps with this revenue gap · Full Cambly - Learn English report

Side-by-side metrics

Bars scale to whichever app is bigger on that row. Green = winner.

Official DVSA Theory Test Kit
vs
Cambly - Learn English
Monthly revenue (est.)?
$455
▶
$456.1K
Annual revenue (est.)
$5.5K
▶
$5.47M
Lifetime installs (est.)
3K
▶
22.1M
Monthly active users (est.)?
327.75
▶
1.7M
App Store rating
4.35★
▶
4.68★
Total ratings
57
▶
152K
US grossing rank
-
=
-
Cheapest monthly sub
$21.68
◀
$14.00
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 →

Cambly - Learn English

Cambly Inc
Google Play
Category
Education
Price
Free
Released
Feb 17, 2014
Last updated
Jun 23, 2026
File size
-
Content rating
Everyone
Version
7.29.0
Languages
-
View full Cambly - Learn English report →

Official DVSA Theory Test Kit trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Cambly - Learn English trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Official DVSA Theory Test Kit App Store page →Cambly - Learn English Play Store page →

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FAQ

Which makes more money, Official DVSA Theory Test Kit or Cambly - Learn English? v
Cambly - Learn English earns about $456.1K per month, while Official DVSA Theory Test Kit earns about $455. That is a 1002.3× revenue gap (~$455.6K more per month for Cambly - Learn English). Annual revenue: Official DVSA Theory Test Kit ≈ $5.5K/year, Cambly - Learn English ≈ $5.47M/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 Cambly - Learn English? v
Cambly - Learn English leads with about 22.1M estimated downloads vs 3K for Official DVSA Theory Test Kit - a 7768.9× gap. Official DVSA Theory Test Kit's App Store downloads are estimated from 57 ratings × the standard 1:75 ratio. Cambly - Learn English reports 10,000,000+ installs on Google Play.
Are Official DVSA Theory Test Kit and Cambly - Learn English 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 Cambly - Learn English offer? v
Official DVSA Theory Test Kit: IAP range 2 tiers detected. Cambly - Learn English: no IAP detected on the public listing. Official DVSA Theory Test Kit runs a "Paid app ($5.99)" monetization model; Cambly - Learn English runs "Subscription (~$14.00/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 Cambly - Learn English? v
Cambly - Learn English edges ahead with ★ 4.7 vs ★ 4.4 (gap of 0.3 stars). Rating volume: Official DVSA Theory Test Kit 57 ratings, Cambly - Learn English 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Official DVSA Theory Test Kit vs Cambly - Learn English revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $455 for Official DVSA Theory Test Kit and $456.1K for Cambly - Learn English 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 Cambly - Learn English 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.