CITB Op/Spec HS&E test vs SkillCat: HVAC School, EPA 608

CITB Op/Spec HS&E test

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

SkillCat: HVAC School, EPA 608

SkillCat
Google Play
$4.1K/mo
~$49.2K/yr · 221K installs
Revenue winner SkillCat: HVAC School, EPA 608 wins +3557% vs other
Installs winner SkillCat: HVAC School, EPA 608 wins +36664% vs other
MAU winner SkillCat: HVAC School, EPA 608 wins +27245% vs other
Rating winner CITB Op/Spec HS&E test wins +2% vs other

Why SkillCat: HVAC School, EPA 608 is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. SkillCat: HVAC School, EPA 608 earns roughly 37× more per month than CITB Op/Spec HS&E test - $4.1K vs $112.
  2. Subscription model. SkillCat: HVAC School, EPA 608 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. SkillCat: HVAC School, EPA 608 has ~221K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 367.6× the funnel top.

Find more apps with this revenue gap · Full SkillCat: HVAC School, EPA 608 report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
SkillCat: HVAC School, EPA 608
Monthly revenue (est.)?
$112
$4.1K
Annual revenue (est.)
$1.3K
$49.2K
Lifetime installs (est.)
600
221K
Monthly active users (est.)?
72.6
20K
App Store rating
5.00★
4.89★
Total ratings
12
6K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
$10.00
IAP tiers detected
0 tiers
=
0 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 →

SkillCat: HVAC School, EPA 608

SkillCat
Google Play
Category
Education
Price
Free
Released
Sep 29, 2021
Last updated
Mar 24, 2026
File size
-
Content rating
Everyone
Version
7.0.3
Languages
-
View full SkillCat: HVAC School, EPA 608 report →

CITB Op/Spec HS&E test trajectory

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SkillCat: HVAC School, EPA 608 trajectory

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FAQ

Which makes more money, CITB Op/Spec HS&E test or SkillCat: HVAC School, EPA 608? v
SkillCat: HVAC School, EPA 608 earns about $4.1K per month, while CITB Op/Spec HS&E test earns about $112. That is a 36.6× revenue gap (~$4.0K more per month for SkillCat: HVAC School, EPA 608). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, SkillCat: HVAC School, EPA 608 ≈ $49.2K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CITB Op/Spec HS&E test or SkillCat: HVAC School, EPA 608? v
SkillCat: HVAC School, EPA 608 leads with about 221K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 367.6× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. SkillCat: HVAC School, EPA 608 reports 100,000+ installs on Google Play.
Are CITB Op/Spec HS&E test and SkillCat: HVAC School, EPA 608 in the same App Store category on each store 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 SkillCat: HVAC School, EPA 608 offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. SkillCat: HVAC School, EPA 608: IAP range $0.99 - $96.00 per item. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; SkillCat: HVAC School, EPA 608 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 SkillCat: HVAC School, EPA 608? 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, SkillCat: HVAC School, EPA 608 1K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs SkillCat: HVAC School, EPA 608 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 $4.1K for SkillCat: HVAC School, EPA 608 are derived from App Store grossing rank / Google Play install ranges, 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 SkillCat: HVAC School, EPA 608 to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.