Brilliant: Learn by doing vs CITB Op/Spec HS&E test

Brilliant: Learn by doing

Brilliant.org
App Store
$195.9K/mo
~$2.35M/yr · 3.2M installs
VS

CITB Op/Spec HS&E test

CITB
App Store
$112/mo
~$1.3K/yr · 600 installs
Revenue winner Brilliant: Learn by doing wins +174835% vs other
Installs winner Brilliant: Learn by doing wins +532942% vs other
MAU winner Brilliant: Learn by doing wins +519726% vs other
Rating winner CITB Op/Spec HS&E test wins +5% vs other

Why Brilliant: Learn by doing is winning

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

  1. Brilliant: Learn by doing earns roughly 1749× more per month than CITB Op/Spec HS&E test - $195.9K vs $112.
  2. Subscription model. Brilliant: Learn by doing runs a $19.99/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Brilliant: Learn by doing has ~3.2M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 5330.4× the funnel top.
  4. More monetization surfaces. Brilliant: Learn by doing runs 4 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Brilliant: Learn by doing report

Side-by-side metrics

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

Brilliant: Learn by doing
vs
CITB Op/Spec HS&E test
Monthly revenue (est.)?
$195.9K
◀
$112
Annual revenue (est.)
$2.35M
◀
$1.3K
Lifetime installs (est.)
3.2M
◀
600
Monthly active users (est.)?
377K
◀
72.6
App Store rating
4.74★
▶
5.00★
Total ratings
29K
◀
12
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
◀
No sub
IAP tiers detected
4 tiers
◀
0 tiers

Brilliant: Learn by doing

Brilliant.org
App Store
Category
Education
Price
Free
Released
Jun 19, 2015
Last updated
May 8, 2026
File size
96.9 MB
Content rating
4+
Version
10.1.0
Languages
English
View full Brilliant: Learn by doing report →

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 →

Brilliant: Learn by doing trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

CITB Op/Spec HS&E test trajectory

JunJulAugSepOctNovDecJanFebMarAprMay

Related app pages

Brilliant: Learn by doing App Store page →CITB Op/Spec HS&E test App Store page →

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FAQ

Which makes more money, Brilliant: Learn by doing or CITB Op/Spec HS&E test? v
Brilliant: Learn by doing earns about $195.9K per month, while CITB Op/Spec HS&E test earns about $112. That is a 1749.3× revenue gap (~$195.8K more per month for Brilliant: Learn by doing). Annual revenue: Brilliant: Learn by doing ≈ $2.35M/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, Brilliant: Learn by doing or CITB Op/Spec HS&E test? v
Brilliant: Learn by doing leads with about 3.2M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 5330.4× gap. Brilliant: Learn by doing's App Store downloads are estimated from 29K ratings × the standard 1:75 ratio. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings.
Are Brilliant: Learn by doing 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 Brilliant: Learn by doing and CITB Op/Spec HS&E test offer? v
Brilliant: Learn by doing: IAP range 4 tiers detected. CITB Op/Spec HS&E test: no IAP detected on the public listing. Brilliant: Learn by doing runs a "Subscription (~$16.00/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, Brilliant: Learn by doing or CITB Op/Spec HS&E test? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.7 (gap of 0.3 stars). Rating volume: Brilliant: Learn by doing 29K 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 Brilliant: Learn by doing vs CITB Op/Spec HS&E test revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $195.9K for Brilliant: Learn by doing 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 Brilliant: Learn by doing 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.