CITB Op/Spec HS&E test vs phase6: Practice vocabulary

CITB Op/Spec HS&E test

CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
VS

phase6: Practice vocabulary

phase-6 GmbH
App Store
$376/mo
~$4.5K/yr · 10K installs
Revenue winner phase6: Practice vocabulary wins +236% vs other
Installs winner phase6: Practice vocabulary wins +1567% vs other
MAU winner phase6: Practice vocabulary wins +1512% vs other
Rating winner CITB Op/Spec HS&E test wins +11% vs other

Why phase6: Practice vocabulary is winning

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

  1. phase6: Practice vocabulary earns roughly 3× more per month than CITB Op/Spec HS&E test - $376 vs $112.
  2. Subscription model. phase6: Practice vocabulary runs a $9.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. phase6: Practice vocabulary has ~10K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 16.7× the funnel top.
  4. More monetization surfaces. phase6: Practice vocabulary runs 9 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full phase6: Practice vocabulary report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
phase6: Practice vocabulary
Monthly revenue (est.)?
$112
▶
$376
Annual revenue (est.)
$1.3K
▶
$4.5K
Lifetime installs (est.)
600
▶
10K
Monthly active users (est.)?
72.6
▶
1K
App Store rating
5.00★
◀
4.51★
Total ratings
12
▶
200
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$9.99
IAP tiers detected
0 tiers
▶
9 tiers

CITB Op/Spec HS&E test

CITB
App Store
Category
Education
Price
USD6.99
Released
May 16, 2019
Last updated
Jan 8, 2026
File size
148.2 MB
Content rating
12+
Version
6.0.52
Languages
English
View full CITB Op/Spec HS&E test report →

phase6: Practice vocabulary

phase-6 GmbH
App Store
Category
Education
Price
Free
Released
Jun 14, 2011
Last updated
Apr 10, 2026
File size
154.9 MB
Content rating
4+
Version
12.6.2
Languages
English, German, Spanish
View full phase6: Practice vocabulary report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

phase6: Practice vocabulary trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →phase6: Practice vocabulary App Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or phase6: Practice vocabulary? v
phase6: Practice vocabulary earns about $376 per month, while CITB Op/Spec HS&E test earns about $112. That is a 3.4× revenue gap (~$264 more per month for phase6: Practice vocabulary). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, phase6: Practice vocabulary ≈ $4.5K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CITB Op/Spec HS&E test or phase6: Practice vocabulary? v
phase6: Practice vocabulary leads with about 10K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 16.7× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. phase6: Practice vocabulary's App Store downloads are estimated from 200 ratings.
Are CITB Op/Spec HS&E test and phase6: Practice vocabulary 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 CITB Op/Spec HS&E test and phase6: Practice vocabulary offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. phase6: Practice vocabulary: IAP range 9 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; phase6: Practice vocabulary runs "Subscription (~$9.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, CITB Op/Spec HS&E test or phase6: Practice vocabulary? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.5 (gap of 0.5 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, phase6: Practice vocabulary 200 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs phase6: Practice vocabulary revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $112 for CITB Op/Spec HS&E test and $376 for phase6: Practice vocabulary 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 CITB Op/Spec HS&E test or phase6: Practice vocabulary 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.