CITB Op/Spec HS&E test vs Knowt: AI Flashcards & Notes

CITB Op/Spec HS&E test

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

Knowt: AI Flashcards & Notes

Knowt Inc.
App Store
$42.5K/mo
~$509.6K/yr · 1.1M installs
Revenue winner Knowt: AI Flashcards & Notes wins +37815% vs other
Installs winner Knowt: AI Flashcards & Notes wins +184920% vs other
MAU winner Knowt: AI Flashcards & Notes wins +180333% vs other
Rating winner CITB Op/Spec HS&E test wins +6% vs other

Why Knowt: AI Flashcards & Notes is winning

Top 4 reasons - backed by the public App Store / Play Store numbers.

  1. Knowt: AI Flashcards & Notes earns roughly 379× more per month than CITB Op/Spec HS&E test - $42.5K vs $112.
  2. Subscription model. Knowt: AI Flashcards & Notes runs a $14.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Knowt: AI Flashcards & Notes has ~1.1M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 1850.2× the funnel top.
  4. More monetization surfaces. Knowt: AI Flashcards & Notes runs 7 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Knowt: AI Flashcards & Notes report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Knowt: AI Flashcards & Notes
Monthly revenue (est.)?
$112
▶
$42.5K
Annual revenue (est.)
$1.3K
▶
$509.6K
Lifetime installs (est.)
600
▶
1.1M
Monthly active users (est.)?
72.6
▶
131K
App Store rating
5.00★
◀
4.73★
Total ratings
12
▶
10K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$14.99
IAP tiers detected
0 tiers
▶
7 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 →

Knowt: AI Flashcards & Notes

Knowt Inc.
App Store
Category
Education
Price
Free
Released
Oct 13, 2023
Last updated
Jun 20, 2026
File size
215.5 MB
Content rating
4+
Version
3.14.0
Languages
English
View full Knowt: AI Flashcards & Notes report →

CITB Op/Spec HS&E test trajectory

JulAugSepOctNovDecJanFebMarAprMayJun

Knowt: AI Flashcards & Notes trajectory

JulAugSepOctNovDecJanFebMarAprMayJun

Related app pages

CITB Op/Spec HS&E test App Store page →Knowt: AI Flashcards & Notes App Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or Knowt: AI Flashcards & Notes? v
Knowt: AI Flashcards & Notes earns about $42.5K per month, while CITB Op/Spec HS&E test earns about $112. That is a 379.2× revenue gap (~$42.4K more per month for Knowt: AI Flashcards & Notes). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Knowt: AI Flashcards & Notes ≈ $509.6K/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 Knowt: AI Flashcards & Notes? v
Knowt: AI Flashcards & Notes leads with about 1.1M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 1850.2× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Knowt: AI Flashcards & Notes's App Store downloads are estimated from 10K ratings.
Are CITB Op/Spec HS&E test and Knowt: AI Flashcards & Notes 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 Knowt: AI Flashcards & Notes offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Knowt: AI Flashcards & Notes: IAP range 7 tiers detected. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Knowt: AI Flashcards & Notes runs "Subscription (~$10.00/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 Knowt: AI Flashcards & Notes? 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, Knowt: AI Flashcards & Notes 10K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Knowt: AI Flashcards & Notes 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 $42.5K for Knowt: AI Flashcards & Notes 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 Knowt: AI Flashcards & Notes 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.