737 Handbook vs CITB Op/Spec HS&E test
737 Handbook
737 PUBLISHING S.R.O.
App Store
$793/mo
~$9.5K/yr · 12K installs
VS
CITB Op/Spec HS&E test
CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
Revenue winner
737 Handbook wins
+608% vs other
Installs winner
737 Handbook wins
+1917% vs other
MAU winner
737 Handbook wins
+1883% vs other
Rating winner
CITB Op/Spec HS&E test wins
+3% vs other
Why 737 Handbook is winning
Top 3 reasons - backed by the public App Store / Play Store numbers.
- 737 Handbook earns roughly 7× more per month than CITB Op/Spec HS&E test - $793 vs $112.
- Subscription model. 737 Handbook runs a $16.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
- Bigger install base. 737 Handbook has ~12K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 20.2× the funnel top.
→ Find more apps with this revenue gap · Full 737 Handbook report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
737 Handbook
vs
CITB Op/Spec HS&E test
Monthly revenue (est.)?
$793
◀
$112
Annual revenue (est.)
$9.5K
◀
$1.3K
Lifetime installs (est.)
12K
◀
600
Monthly active users (est.)?
1K
◀
72.6
App Store rating
4.85★
▶
5.00★
Total ratings
242
◀
12
US grossing rank
-
=
-
Cheapest monthly sub
$16.99
◀
No sub
IAP tiers detected
2 tiers
◀
0 tiers
- Category
- Education
- Price
- Free
- Released
- Oct 11, 2019
- Last updated
- Jun 26, 2026
- File size
- 46.3 MB
- Content rating
- 4+
- Version
- 3.0.2
- Languages
- English
- 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
737 Handbook trajectory
CITB Op/Spec HS&E test trajectory
FAQ
Which makes more money, 737 Handbook or CITB Op/Spec HS&E test? v
737 Handbook earns about $793 per month, while CITB Op/Spec HS&E test earns about $112. That is a 7.1× revenue gap (~$681 more per month for 737 Handbook). Annual revenue: 737 Handbook ≈ $9.5K/year, CITB Op/Spec HS&E test ≈ $1.3K/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, 737 Handbook or CITB Op/Spec HS&E test? v
737 Handbook leads with about 12K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 20.2× gap. 737 Handbook's App Store downloads are estimated from 242 ratings × the standard 1:75 ratio. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings.
Are 737 Handbook and CITB Op/Spec HS&E test 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 737 Handbook and CITB Op/Spec HS&E test offer? v
737 Handbook: IAP range 2 tiers detected. CITB Op/Spec HS&E test: no IAP detected on the public listing. 737 Handbook runs a "Subscription (~$16.99/mo)" monetization model; CITB Op/Spec HS&E test runs "Paid app ($6.99)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, 737 Handbook or CITB Op/Spec HS&E test? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.8 (gap of 0.2 stars). Rating volume: 737 Handbook 242 ratings, CITB Op/Spec HS&E test 12 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these 737 Handbook vs CITB Op/Spec HS&E test revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $793 for 737 Handbook and $112 for CITB Op/Spec HS&E test 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 737 Handbook or CITB Op/Spec HS&E test 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.