26s: Vocabulary Builder vs CITB Op/Spec HS&E test

26s: Vocabulary Builder

Apeiro Corp.
App Store
$301/mo
~$3.6K/yr · 5K installs
VS

CITB Op/Spec HS&E test

CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
Revenue winner 26s: Vocabulary Builder wins +169% vs other
Installs winner 26s: Vocabulary Builder wins +780% vs other
MAU winner 26s: Vocabulary Builder wins +758% vs other
Rating winner CITB Op/Spec HS&E test wins +8% vs other

Why 26s: Vocabulary Builder is winning

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

  1. 26s: Vocabulary Builder earns roughly 3× more per month than CITB Op/Spec HS&E test - $301 vs $112.
  2. Subscription model. 26s: Vocabulary Builder runs a $14.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. 26s: Vocabulary Builder has ~5K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 8.8× the funnel top.
  4. More monetization surfaces. 26s: Vocabulary Builder runs 9 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full 26s: Vocabulary Builder report

Side-by-side metrics

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

26s: Vocabulary Builder
vs
CITB Op/Spec HS&E test
Monthly revenue (est.)?
$301
◀
$112
Annual revenue (est.)
$3.6K
◀
$1.3K
Lifetime installs (est.)
5K
◀
600
Monthly active users (est.)?
623.04
◀
72.6
App Store rating
4.64★
▶
5.00★
Total ratings
96
◀
12
US grossing rank
-
=
-
Cheapest monthly sub
$14.99
◀
No sub
IAP tiers detected
9 tiers
◀
0 tiers

26s: Vocabulary Builder

Apeiro Corp.
App Store
Category
Education
Price
Free
Released
Oct 27, 2025
Last updated
May 3, 2026
File size
80.6 MB
Content rating
4+
Version
1.43.0
Languages
English, Japanese, Korean, Chinese, Chinese
View full 26s: Vocabulary Builder report →

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 →

26s: Vocabulary Builder trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

26s: Vocabulary Builder App Store page →CITB Op/Spec HS&E test App Store page →

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FAQ

Which makes more money, 26s: Vocabulary Builder or CITB Op/Spec HS&E test? v
26s: Vocabulary Builder earns about $301 per month, while CITB Op/Spec HS&E test earns about $112. That is a 2.7× revenue gap (~$189 more per month for 26s: Vocabulary Builder). Annual revenue: 26s: Vocabulary Builder ≈ $3.6K/year, CITB Op/Spec HS&E test ≈ $1.3K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, 26s: Vocabulary Builder or CITB Op/Spec HS&E test? v
26s: Vocabulary Builder leads with about 5K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 8.8× gap. 26s: Vocabulary Builder's App Store downloads are estimated from 95 ratings × the standard 1:75 ratio. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings.
Are 26s: Vocabulary Builder and CITB Op/Spec HS&E test 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 26s: Vocabulary Builder and CITB Op/Spec HS&E test offer? v
26s: Vocabulary Builder: IAP range 9 tiers detected. CITB Op/Spec HS&E test: no IAP detected on the public listing. 26s: Vocabulary Builder runs a "Subscription (~$14.99/mo)" monetization model; CITB Op/Spec HS&E test runs "Paid app ($6.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, 26s: Vocabulary Builder or CITB Op/Spec HS&E test? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.6 (gap of 0.4 stars). Rating volume: 26s: Vocabulary Builder 95 ratings, CITB Op/Spec HS&E test 12 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these 26s: Vocabulary Builder vs CITB Op/Spec HS&E test revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $301 for 26s: Vocabulary Builder and $112 for CITB Op/Spec HS&E test 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 26s: Vocabulary Builder or CITB Op/Spec HS&E test 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.