CITB Op/Spec HS&E test vs Question.AI-Math Calculator

CITB Op/Spec HS&E test

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

Question.AI-Math Calculator

3HOUSE
App Store
$2.24M/mo
~$26.87M/yr · 7.1M installs
Revenue winner Question.AI-Math Calculator wins +1999029% vs other
Installs winner Question.AI-Math Calculator wins +1177003% vs other
MAU winner Question.AI-Math Calculator wins +6070247% vs other
Rating winner CITB Op/Spec HS&E test wins +6% vs other

Why Question.AI-Math Calculator is winning

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

  1. Question.AI-Math Calculator earns roughly 19991× more per month than CITB Op/Spec HS&E test - $2.24M vs $112.
  2. Subscription model. Question.AI-Math Calculator runs a $8.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Question.AI-Math Calculator has ~7.1M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 11771.0× the funnel top.
  4. More monetization surfaces. Question.AI-Math Calculator runs 4 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Question.AI-Math Calculator report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Question.AI-Math Calculator
Monthly revenue (est.)?
$112
▶
$2.24M
Annual revenue (est.)
$1.3K
▶
$26.87M
Lifetime installs (est.)
600
▶
7.1M
Monthly active users (est.)?
72.6
▶
4.4M
App Store rating
5.00★
◀
4.70★
Total ratings
12
▶
157K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$8.99
IAP tiers detected
0 tiers
▶
4 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 →

Question.AI-Math Calculator

3HOUSE
App Store
Category
Education
Price
Free
Released
May 30, 2023
Last updated
Apr 29, 2026
File size
135.5 MB
Content rating
4+
Version
3.5.6
Languages
Arabic, Dutch, English, French, German, Indonesian +9 more
View full Question.AI-Math Calculator report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Question.AI-Math Calculator trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →Question.AI-Math Calculator App Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or Question.AI-Math Calculator? v
Question.AI-Math Calculator earns about $2.24M per month, while CITB Op/Spec HS&E test earns about $112. That is a 19991.3× revenue gap (~$2.24M more per month for Question.AI-Math Calculator). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Question.AI-Math Calculator ≈ $26.87M/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 Question.AI-Math Calculator? v
Question.AI-Math Calculator leads with about 7.1M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 11771.0× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Question.AI-Math Calculator's App Store downloads are estimated from 157K ratings.
Are CITB Op/Spec HS&E test and Question.AI-Math Calculator 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 Question.AI-Math Calculator offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Question.AI-Math Calculator: IAP range 4 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Question.AI-Math Calculator runs "Subscription (~$8.99/mo, ai)". 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 Question.AI-Math Calculator? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.7 (gap of 0.3 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Question.AI-Math Calculator 157K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Question.AI-Math Calculator 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 $2.24M for Question.AI-Math Calculator 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 Question.AI-Math Calculator 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.