Official DVSA Theory Test Kit vs Tandem: Language exchange

Official DVSA Theory Test Kit

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

Tandem: Language exchange

Tripod Technology GmbH
Google Play
$445.9K/mo
~$5.35M/yr · 21.0M installs
Revenue winner Tandem: Language exchange wins +97895% vs other
Installs winner Tandem: Language exchange wins +736379% vs other
MAU winner Tandem: Language exchange wins +461000% vs other
Rating winner Official DVSA Theory Test Kit wins +8% vs other

Why Tandem: Language exchange is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. Tandem: Language exchange earns roughly 980× more per month than Official DVSA Theory Test Kit - $445.9K vs $455.
  2. Subscription model. Tandem: Language exchange runs a $16.38/mo subscription that compounds; Official DVSA Theory Test Kit relies on one-shot IAP or ads.
  3. Bigger install base. Tandem: Language exchange has ~21.0M lifetime installs vs Official DVSA Theory Test Kit's ~3K - 7364.8× the funnel top.

→ Find more apps with this revenue gap · Full Tandem: Language exchange report

Side-by-side metrics

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

Official DVSA Theory Test Kit
vs
Tandem: Language exchange
Monthly revenue (est.)?
$455
▶
$445.9K
Annual revenue (est.)
$5.5K
▶
$5.35M
Lifetime installs (est.)
3K
▶
21.0M
Monthly active users (est.)?
327.75
▶
1.5M
App Store rating
4.35★
◀
4.03★
Total ratings
57
▶
410K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$16.38
IAP tiers detected
0 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 →

Tandem: Language exchange

Tripod Technology GmbH
Google Play
Category
Education
Price
Free
Released
Sep 13, 2016
Last updated
Jun 16, 2026
File size
-
Content rating
Teen
Version
6.30.0
Languages
-
View full Tandem: Language exchange report →

Official DVSA Theory Test Kit trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Tandem: Language exchange trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Official DVSA Theory Test Kit App Store page →Tandem: Language exchange Play Store page →

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FAQ

Which makes more money, Official DVSA Theory Test Kit or Tandem: Language exchange? v
Tandem: Language exchange earns about $445.9K per month, while Official DVSA Theory Test Kit earns about $455. That is a 979.9× revenue gap (~$445.4K more per month for Tandem: Language exchange). Annual revenue: Official DVSA Theory Test Kit ≈ $5.5K/year, Tandem: Language exchange ≈ $5.35M/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 Tandem: Language exchange? v
Tandem: Language exchange leads with about 21.0M estimated downloads vs 3K for Official DVSA Theory Test Kit - a 7364.8× gap. Official DVSA Theory Test Kit's App Store downloads are estimated from 57 ratings × the standard 1:75 ratio. Tandem: Language exchange reports 10,000,000+ installs on Google Play.
Are Official DVSA Theory Test Kit and Tandem: Language exchange 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 Tandem: Language exchange offer? v
Official DVSA Theory Test Kit: no IAP detected on the public listing. Tandem: Language exchange: IAP range $1.49 - $180.00 per item. Official DVSA Theory Test Kit runs a "Paid app ($5.99)" monetization model; Tandem: Language exchange runs "Subscription (~$16.38/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 Tandem: Language exchange? v
Official DVSA Theory Test Kit edges ahead with ★ 4.4 vs ★ 4.0 (gap of 0.3 stars). Rating volume: Official DVSA Theory Test Kit 57 ratings, Tandem: Language exchange 5K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Official DVSA Theory Test Kit vs Tandem: Language exchange revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $455 for Official DVSA Theory Test Kit and $445.9K for Tandem: Language exchange 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 Tandem: Language exchange 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.