CITB Op/Spec HS&E test vs Flashnote Derby
CITB Op/Spec HS&E test
CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
VS
Flashnote Derby
Luke Bartolomeo
App Store
$506/mo
~$6.1K/yr · 4K installs
Revenue winner
Flashnote Derby wins
+352% vs other
Installs winner
Flashnote Derby wins
+533% vs other
MAU winner
Flashnote Derby wins
+471% vs other
Rating winner
CITB Op/Spec HS&E test wins
+37% vs other
Why Flashnote Derby is winning
Top 2 reasons - backed by the public App Store / Play Store numbers.
- Flashnote Derby earns roughly 5× more per month than CITB Op/Spec HS&E test - $506 vs $112.
- Bigger install base. Flashnote Derby has ~4K lifetime installs vs CITB Op/Spec HS&E test's ~600 - 6.3× the funnel top.
→ Find more apps with this revenue gap · Full Flashnote Derby report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
CITB Op/Spec HS&E test
vs
Flashnote Derby
Monthly revenue (est.)?
$112
▶
$506
Annual revenue (est.)
$1.3K
▶
$6.1K
Lifetime installs (est.)
600
▶
4K
Monthly active users (est.)?
72.6
▶
414.2
App Store rating
5.00★
◀
3.64★
Total ratings
12
▶
76
US grossing rank
-
=
-
Cheapest monthly sub
No sub
=
No sub
IAP tiers detected
0 tiers
=
0 tiers
- 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
- Category
- Education
- Price
- USD4.99
- Released
- Aug 4, 2011
- Last updated
- Jun 7, 2026
- File size
- 110.4 MB
- Content rating
- 4+
- Version
- 4.0.6
- Languages
- English, German, Italian, Japanese, Russian, Chinese +2 more
CITB Op/Spec HS&E test trajectory
Flashnote Derby trajectory
FAQ
Which makes more money, CITB Op/Spec HS&E test or Flashnote Derby? v
Flashnote Derby earns about $506 per month, while CITB Op/Spec HS&E test earns about $112. That is a 4.5× revenue gap (~$394 more per month for Flashnote Derby). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Flashnote Derby ≈ $6.1K/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 Flashnote Derby? v
Flashnote Derby leads with about 4K estimated downloads vs 600 for CITB Op/Spec HS&E test - a 6.3× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Flashnote Derby's App Store downloads are estimated from 76 ratings.
Are CITB Op/Spec HS&E test and Flashnote Derby 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.
Do CITB Op/Spec HS&E test and Flashnote Derby have in-app purchases? v
CITB Op/Spec HS&E test does not appear to offer in-app purchases on its public listing. Flashnote Derby does not appear to offer in-app purchases. Monetization model: CITB Op/Spec HS&E test runs "Paid app ($6.99)", Flashnote Derby runs "Paid app ($4.99)".
Which has better ratings, CITB Op/Spec HS&E test or Flashnote Derby? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 3.6 (gap of 1.4 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Flashnote Derby 76 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Flashnote Derby 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 $506 for Flashnote Derby 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 Flashnote Derby 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.