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

CITB Op/Spec HS&E test

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

Rock Identifier: Stone ID

Next Vision Limited
App Store
$118.4K/mo
~$1.42M/yr · 7.8M installs
Revenue winner Rock Identifier: Stone ID wins +105623% vs other
Installs winner Rock Identifier: Stone ID wins +1298413% vs other
MAU winner Rock Identifier: Stone ID wins +1266219% vs other
Rating winner CITB Op/Spec HS&E test wins +7% vs other

Why Rock Identifier: Stone ID is winning

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

  1. Rock Identifier: Stone ID earns roughly 1057× more per month than CITB Op/Spec HS&E test - $118.4K vs $112.
  2. Subscription model. Rock Identifier: Stone ID runs a $3.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Rock Identifier: Stone ID has ~7.8M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 12985.1× the funnel top.

Find more apps with this revenue gap · Full Rock Identifier: Stone ID 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 Identifier: Stone ID
Monthly revenue (est.)?
$112
$118.4K
Annual revenue (est.)
$1.3K
$1.42M
Lifetime installs (est.)
600
7.8M
Monthly active users (est.)?
72.6
919K
App Store rating
5.00★
4.67★
Total ratings
12
71K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
$3.99
IAP tiers detected
0 tiers
1 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 Identifier: Stone ID

Next Vision Limited
App Store
Category
Education
Price
Free
Released
Jan 26, 2021
Last updated
Feb 9, 2026
File size
224.4 MB
Content rating
4+
Version
2.19.2
Languages
Arabic, Dutch, English, French, German, Italian +8 more
View full Rock Identifier: Stone ID report →

CITB Op/Spec HS&E test trajectory

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Rock Identifier: Stone ID trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

FAQ

Which makes more money, CITB Op/Spec HS&E test or Rock Identifier: Stone ID? v
Rock Identifier: Stone ID earns about $118.4K per month, while CITB Op/Spec HS&E test earns about $112. That is a 1057.2× revenue gap (~$118.3K more per month for Rock Identifier: Stone ID). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Rock Identifier: Stone ID ≈ $1.42M/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 Rock Identifier: Stone ID? v
Rock Identifier: Stone ID leads with about 7.8M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 12985.1× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Rock Identifier: Stone ID's App Store downloads are estimated from 71K ratings.
Are CITB Op/Spec HS&E test and Rock Identifier: Stone ID 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 Rock Identifier: Stone ID offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Rock Identifier: Stone ID: IAP range 1 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Rock Identifier: Stone ID runs "Subscription (~$3.99/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 Identifier: Stone ID? 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, Rock Identifier: Stone ID 71K 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 Identifier: Stone ID 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 $118.4K for Rock Identifier: Stone ID 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 Rock Identifier: Stone ID 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.