CITB Op/Spec HS&E test vs StudyStream

CITB Op/Spec HS&E test

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

StudyStream

Knowledge Collective
App Store
$329/mo
~$3.9K/yr · 15K installs
Revenue winner StudyStream wins +194% vs other
Installs winner StudyStream wins +2425% vs other
MAU winner StudyStream wins +2300% vs other
Rating winner CITB Op/Spec HS&E test wins +15% vs other

Why StudyStream is winning

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

  1. StudyStream earns roughly 3× more per month than CITB Op/Spec HS&E test - $329 vs $112.
  2. Subscription model. StudyStream runs a $1.00/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. StudyStream has ~15K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 25.3× the funnel top.
  4. More monetization surfaces. StudyStream runs 6 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full StudyStream report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
StudyStream
Monthly revenue (est.)?
$112
▶
$329
Annual revenue (est.)
$1.3K
▶
$3.9K
Lifetime installs (est.)
600
▶
15K
Monthly active users (est.)?
72.6
▶
2K
App Store rating
5.00★
◀
4.35★
Total ratings
12
▶
303
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$1.00
IAP tiers detected
0 tiers
▶
6 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 →

StudyStream

Knowledge Collective
App Store
Category
Education
Price
Free
Released
Jan 16, 2024
Last updated
May 6, 2026
File size
122.5 MB
Content rating
17+
Version
1.0.95
Languages
English
View full StudyStream report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

StudyStream trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →StudyStream App Store page →

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Compare another pair

FAQ

Which makes more money, CITB Op/Spec HS&E test or StudyStream? v
StudyStream earns about $329 per month, while CITB Op/Spec HS&E test earns about $112. That is a 2.9× revenue gap (~$217 more per month for StudyStream). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, StudyStream ≈ $3.9K/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 StudyStream? v
StudyStream leads with about 15K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 25.3× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. StudyStream's App Store downloads are estimated from 302 ratings.
Are CITB Op/Spec HS&E test and StudyStream 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 StudyStream offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. StudyStream: IAP range 6 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; StudyStream runs "Subscription (~$5.83/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 StudyStream? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.4 (gap of 0.6 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, StudyStream 302 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs StudyStream 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 $329 for StudyStream 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 StudyStream 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.