CITB Op/Spec HS&E test vs Vocabulary - Learn words daily

CITB Op/Spec HS&E test

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

Vocabulary - Learn words daily

Monkey Taps
App Store
$1.71M/mo
~$20.54M/yr · 29.7M installs
Revenue winner Vocabulary - Learn words daily wins +1528057% vs other
Installs winner Vocabulary - Learn words daily wins +4951675% vs other
MAU winner Vocabulary - Learn words daily wins +4869827% vs other
Rating winner CITB Op/Spec HS&E test wins +4% vs other

Why Vocabulary - Learn words daily is winning

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

  1. Vocabulary - Learn words daily earns roughly 15282× more per month than CITB Op/Spec HS&E test - $1.71M vs $112.
  2. Subscription model. Vocabulary - Learn words daily 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. Vocabulary - Learn words daily has ~29.7M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 49517.8× the funnel top.
  4. More monetization surfaces. Vocabulary - Learn words daily runs 5 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Vocabulary - Learn words daily report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Vocabulary - Learn words daily
Monthly revenue (est.)?
$112
▶
$1.71M
Annual revenue (est.)
$1.3K
▶
$20.54M
Lifetime installs (est.)
600
▶
29.7M
Monthly active users (est.)?
72.6
▶
3.5M
App Store rating
5.00★
◀
4.79★
Total ratings
12
▶
198K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$14.99
IAP tiers detected
0 tiers
▶
5 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 →

Vocabulary - Learn words daily

Monkey Taps
App Store
Category
Education
Price
Free
Released
Feb 19, 2016
Last updated
May 5, 2026
File size
247.8 MB
Content rating
4+
Version
6.35.0
Languages
English, French, German, Italian, Portuguese, Spanish
View full Vocabulary - Learn words daily report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Vocabulary - Learn words daily trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →Vocabulary - Learn words daily App Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or Vocabulary - Learn words daily? v
Vocabulary - Learn words daily earns about $1.71M per month, while CITB Op/Spec HS&E test earns about $112. That is a 15281.6× revenue gap (~$1.71M more per month for Vocabulary - Learn words daily). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Vocabulary - Learn words daily ≈ $20.54M/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 Vocabulary - Learn words daily? v
Vocabulary - Learn words daily leads with about 29.7M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 49517.8× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Vocabulary - Learn words daily's App Store downloads are estimated from 198K ratings.
Are CITB Op/Spec HS&E test and Vocabulary - Learn words daily 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 Vocabulary - Learn words daily offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Vocabulary - Learn words daily: IAP range 5 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Vocabulary - Learn words daily runs "Subscription (~$14.99/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 Vocabulary - Learn words daily? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.8 (gap of 0.2 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Vocabulary - Learn words daily 198K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Vocabulary - Learn words daily 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 $1.71M for Vocabulary - Learn words daily 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 Vocabulary - Learn words daily 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.