CITB Op/Spec HS&E test vs Scribd: 170M+ documents

CITB Op/Spec HS&E test

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

Scribd: 170M+ documents

Scribd
App Store
$161/mo
~$1.9K/yr · 12K installs
Revenue winner Scribd: 170M+ documents wins +44% vs other
Installs winner Scribd: 170M+ documents wins +1933% vs other
MAU winner Scribd: 170M+ documents wins +1614% vs other
Rating winner CITB Op/Spec HS&E test wins +79% vs other

Why Scribd: 170M+ documents is winning

Top 2 reasons - backed by the public App Store / Play Store numbers.

  1. Subscription model. Scribd: 170M+ documents runs a $3.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  2. Bigger install base. Scribd: 170M+ documents has ~12K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 20.3× the funnel top.

Find more apps with this revenue gap · Full Scribd: 170M+ documents report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Scribd: 170M+ documents
Monthly revenue (est.)?
$112
$161
Annual revenue (est.)
$1.3K
$1.9K
Lifetime installs (est.)
600
12K
Monthly active users (est.)?
72.6
1K
App Store rating
5.00★
2.79★
Total ratings
12
244
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 →

Scribd: 170M+ documents

Scribd
App Store
Category
Education
Price
Free
Released
Nov 1, 2023
Last updated
Apr 29, 2026
File size
140.1 MB
Content rating
17+
Version
16.7
Languages
English, French, German, Indonesian, Italian, Portuguese +3 more
View full Scribd: 170M+ documents report →

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Scribd: 170M+ documents trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

FAQ

Which makes more money, CITB Op/Spec HS&E test or Scribd: 170M+ documents? v
Scribd: 170M+ documents earns about $161 per month, while CITB Op/Spec HS&E test earns about $112. That is a 1.4× revenue gap (~$49 more per month for Scribd: 170M+ documents). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Scribd: 170M+ documents ≈ $1.9K/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 Scribd: 170M+ documents? v
Scribd: 170M+ documents leads with about 12K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 20.3× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Scribd: 170M+ documents's App Store downloads are estimated from 244 ratings.
Are CITB Op/Spec HS&E test and Scribd: 170M+ documents 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 Scribd: 170M+ documents offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Scribd: 170M+ documents: IAP range 1 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Scribd: 170M+ documents 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 Scribd: 170M+ documents? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 2.8 (gap of 2.2 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Scribd: 170M+ documents 244 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Scribd: 170M+ documents 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 $161 for Scribd: 170M+ documents 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 Scribd: 170M+ documents 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.