CITB Op/Spec HS&E test vs MasterClass: Online Classes

CITB Op/Spec HS&E test

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

MasterClass: Online Classes

MasterClass
App Store
$712.0K/mo
~$8.54M/yr · 18.4M installs
Revenue winner MasterClass: Online Classes wins +635579% vs other
Installs winner MasterClass: Online Classes wins +3070200% vs other
MAU winner MasterClass: Online Classes wins +3044826% vs other
Rating winner CITB Op/Spec HS&E test wins +3% vs other

Why MasterClass: Online Classes is winning

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

  1. MasterClass: Online Classes earns roughly 6357× more per month than CITB Op/Spec HS&E test - $712.0K vs $112.
  2. Subscription model. MasterClass: Online Classes runs a $10.00/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. MasterClass: Online Classes has ~18.4M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 30703.0× the funnel top.
  4. More monetization surfaces. MasterClass: Online Classes runs 6 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full MasterClass: Online Classes report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
MasterClass: Online Classes
Monthly revenue (est.)?
$112
▶
$712.0K
Annual revenue (est.)
$1.3K
▶
$8.54M
Lifetime installs (est.)
600
▶
18.4M
Monthly active users (est.)?
72.6
▶
2.2M
App Store rating
5.00★
◀
4.87★
Total ratings
12
▶
123K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$10.00
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 →

MasterClass: Online Classes

MasterClass
App Store
Category
Education
Price
Free
Released
Apr 2, 2018
Last updated
Mar 31, 2026
File size
134.0 MB
Content rating
12+
Version
11.98.0
Languages
English
View full MasterClass: Online Classes report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

MasterClass: Online Classes trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →MasterClass: Online Classes App Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or MasterClass: Online Classes? v
MasterClass: Online Classes earns about $712.0K per month, while CITB Op/Spec HS&E test earns about $112. That is a 6356.8× revenue gap (~$711.8K more per month for MasterClass: Online Classes). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, MasterClass: Online Classes ≈ $8.54M/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 MasterClass: Online Classes? v
MasterClass: Online Classes leads with about 18.4M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 30703.0× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. MasterClass: Online Classes's App Store downloads are estimated from 123K ratings.
Are CITB Op/Spec HS&E test and MasterClass: Online Classes 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 MasterClass: Online Classes offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. MasterClass: Online Classes: IAP range 6 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; MasterClass: Online Classes runs "Subscription (~$10.00/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 MasterClass: Online Classes? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.9 (gap of 0.1 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, MasterClass: Online Classes 123K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs MasterClass: Online Classes 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 $712.0K for MasterClass: Online Classes 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 MasterClass: Online Classes 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.