CITB Op/Spec HS&E test vs Rock ID - Stone Identifier

CITB Op/Spec HS&E test

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

Rock ID - Stone Identifier

AIBY Inc.
Google Play
$9.8K/mo
~$117.2K/yr · 583K installs
Revenue winner Rock ID - Stone Identifier wins +8624% vs other
Installs winner Rock ID - Stone Identifier wins +97031% vs other
MAU winner Rock ID - Stone Identifier wins +58499% vs other
Rating winner CITB Op/Spec HS&E test wins +16% vs other

Why Rock ID - Stone Identifier is winning

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

  1. Rock ID - Stone Identifier earns roughly 87× more per month than CITB Op/Spec HS&E test - $9.8K vs $112.
  2. Subscription model. Rock ID - Stone Identifier runs a $12.23/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Rock ID - Stone Identifier has ~583K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 971.3× the funnel top.

→ Find more apps with this revenue gap · Full Rock ID - Stone Identifier report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Rock ID - Stone Identifier
Monthly revenue (est.)?
$112
▶
$9.8K
Annual revenue (est.)
$1.3K
▶
$117.2K
Lifetime installs (est.)
600
▶
583K
Monthly active users (est.)?
72.6
▶
43K
App Store rating
5.00★
◀
4.32★
Total ratings
12
▶
7K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$12.23
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 →

Rock ID - Stone Identifier

AIBY Inc.
Google Play
Category
Education
Price
Free
Released
Jan 10, 2024
Last updated
Feb 14, 2025
File size
-
Content rating
Everyone
Version
1.7.2
Languages
-
View full Rock ID - Stone Identifier report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Rock ID - Stone Identifier trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

CITB Op/Spec HS&E test App Store page →Rock ID - Stone Identifier Play Store page →

Related comparisons

Citb Op Spec Hs E Test iOS vs Official Dvsa Theory Test Kit iOSCitb Op Spec Hs E Test iOS vs Driving Theory Test 4 in 1 Kit iOSCitb Map Hs E Test V10 iOS vs Citb Op Spec Hs E Test iOSAnkimobile Flashcards iOS vs Citb Op Spec Hs E Test iOSCitb Op Spec Hs E Test iOS vs Official Life in the Uk Test iOSCitb Op Spec Hs E Test iOS vs The Official Dvsa Highway Code iOS

Compare another pair

FAQ

Which makes more money, CITB Op/Spec HS&E test or Rock ID - Stone Identifier? v
Rock ID - Stone Identifier earns about $9.8K per month, while CITB Op/Spec HS&E test earns about $112. That is a 87.2× revenue gap (~$9.7K more per month for Rock ID - Stone Identifier). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Rock ID - Stone Identifier ≈ $117.2K/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 Rock ID - Stone Identifier? v
Rock ID - Stone Identifier leads with about 583K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 971.3× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Rock ID - Stone Identifier reports 500,000+ installs on Google Play.
Are CITB Op/Spec HS&E test and Rock ID - Stone Identifier 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 Rock ID - Stone Identifier offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Rock ID - Stone Identifier: IAP range $4.99 - $29.99 per item. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Rock ID - Stone Identifier runs "Subscription (~$12.23/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 Rock ID - Stone Identifier? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.3 (gap of 0.7 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Rock ID - Stone Identifier 466 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Rock ID - Stone Identifier 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 $9.8K for Rock ID - Stone Identifier 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 Rock ID - Stone Identifier 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.