iroiro JLPT: Japanese Vocab vs Official DVSA Theory Test Kit

iroiro JLPT: Japanese Vocab

Irolabs Inc.
App Store
$122/mo
~$1.5K/yr · 845 installs
VS

Official DVSA Theory Test Kit

TSO (The Stationery Office)
App Store
$455/mo
~$5.5K/yr · 3K installs
Revenue winner Official DVSA Theory Test Kit wins +273% vs other
Installs winner Official DVSA Theory Test Kit wins +237% vs other
MAU winner Official DVSA Theory Test Kit wins +64% vs other
Rating winner Official DVSA Theory Test Kit wins +11% vs other

Why Official DVSA Theory Test Kit is winning

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

  1. Official DVSA Theory Test Kit earns roughly 4× more per month than iroiro JLPT: Japanese Vocab - $455 vs $122.
  2. Premium pricing. Official DVSA Theory Test Kit charges $21.68/mo vs iroiro JLPT: Japanese Vocab's $14.00/mo - higher ARPU per converted user.
  3. Bigger install base. Official DVSA Theory Test Kit has ~3K lifetime installs vs iroiro JLPT: Japanese Vocab's ~845 - 3.4× the funnel top.
  4. Better app store reviews. Official DVSA Theory Test Kit sits at 4.35★ vs 3.92★ - store algorithms reward higher-rated apps with more impressions.

→ Find more apps with this revenue gap · Full Official DVSA Theory Test Kit report

Side-by-side metrics

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

iroiro JLPT: Japanese Vocab
vs
Official DVSA Theory Test Kit
Monthly revenue (est.)?
$122
▶
$455
Annual revenue (est.)
$1.5K
▶
$5.5K
Lifetime installs (est.)
845
▶
3K
Monthly active users (est.)?
200.265
▶
327.75
App Store rating
3.92★
▶
4.35★
Total ratings
13
▶
57
US grossing rank
-
=
-
Cheapest monthly sub
$14.00
▶
$21.68
IAP tiers detected
0 tiers
▶
2 tiers

iroiro JLPT: Japanese Vocab

Irolabs Inc.
App Store
Category
Education
Price
Free
Released
Jan 7, 2026
Last updated
Jun 26, 2026
File size
342.3 MB
Content rating
9+
Version
0.30.0
Languages
English, Japanese, Korean
View full iroiro JLPT: Japanese Vocab report →

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 →

iroiro JLPT: Japanese Vocab trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Official DVSA Theory Test Kit trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

iroiro JLPT: Japanese Vocab App Store page →Official DVSA Theory Test Kit App Store page →

Related comparisons

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

Compare another pair

FAQ

Which makes more money, iroiro JLPT: Japanese Vocab or Official DVSA Theory Test Kit? v
Official DVSA Theory Test Kit earns about $455 per month, while iroiro JLPT: Japanese Vocab earns about $122. That is a 3.7× revenue gap (~$333 more per month for Official DVSA Theory Test Kit). Annual revenue: iroiro JLPT: Japanese Vocab ≈ $1.5K/year, Official DVSA Theory Test Kit ≈ $5.5K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, iroiro JLPT: Japanese Vocab or Official DVSA Theory Test Kit? v
Official DVSA Theory Test Kit leads with about 3K estimated downloads vs 845 for iroiro JLPT: Japanese Vocab - a 3.4× gap. iroiro JLPT: Japanese Vocab's App Store downloads are estimated from 13 ratings × the standard 1:75 ratio. Official DVSA Theory Test Kit's App Store downloads are estimated from 57 ratings.
Are iroiro JLPT: Japanese Vocab and Official DVSA Theory Test Kit 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 iroiro JLPT: Japanese Vocab and Official DVSA Theory Test Kit offer? v
iroiro JLPT: Japanese Vocab: no IAP detected on the public listing. Official DVSA Theory Test Kit: IAP range 2 tiers detected. iroiro JLPT: Japanese Vocab runs a "Subscription (~$14.00/mo, language)" monetization model; Official DVSA Theory Test Kit runs "Paid app ($5.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, iroiro JLPT: Japanese Vocab or Official DVSA Theory Test Kit? v
Official DVSA Theory Test Kit edges ahead with ★ 4.4 vs ★ 3.9 (gap of 0.4 stars). Rating volume: iroiro JLPT: Japanese Vocab 13 ratings, Official DVSA Theory Test Kit 57 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these iroiro JLPT: Japanese Vocab vs Official DVSA Theory Test Kit revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $122 for iroiro JLPT: Japanese Vocab and $455 for Official DVSA Theory Test Kit 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 iroiro JLPT: Japanese Vocab or Official DVSA Theory Test Kit 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.