Brilliant: Learn by doing vs Notan: Grade Calculator
Brilliant: Learn by doing
Brilliant.org
App Store
$195.9K/mo
~$2.35M/yr · 3.2M installs
VS
Notan: Grade Calculator
Tien Do Nam
Google Play
$10.3K/mo
~$124.0K/yr · 797K installs
Revenue winner
Brilliant: Learn by doing wins
+1796% vs other
Installs winner
Brilliant: Learn by doing wins
+301% vs other
MAU winner
Brilliant: Learn by doing wins
+426% vs other
Rating winner
Notan: Grade Calculator wins
+4% vs other
Why Brilliant: Learn by doing is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Brilliant: Learn by doing earns roughly 19× more per month than Notan: Grade Calculator - $195.9K vs $10.3K.
- Subscription model. Brilliant: Learn by doing runs a $19.99/mo subscription that compounds; Notan: Grade Calculator relies on one-shot IAP or ads.
- Bigger install base. Brilliant: Learn by doing has ~3.2M lifetime installs vs Notan: Grade Calculator's ~797K - 4.0× the funnel top.
- 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
Notan: Grade Calculator
Monthly revenue (est.)?
$195.9K
◀
$10.3K
Annual revenue (est.)
$2.35M
◀
$124.0K
Lifetime installs (est.)
3.2M
◀
797K
Monthly active users (est.)?
377K
◀
72K
App Store rating
4.74★
▶
4.92★
Total ratings
29K
◀
3K
US grossing rank
-
=
-
Cheapest monthly sub
$19.99
◀
No sub
IAP tiers detected
4 tiers
◀
0 tiers
- 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
- Category
- Education
- Price
- Free
- Released
- Jan 4, 2020
- Last updated
- Mar 24, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 2.19.6
- Languages
- -
Brilliant: Learn by doing trajectory
Notan: Grade Calculator trajectory
FAQ
Which makes more money, Brilliant: Learn by doing or Notan: Grade Calculator? v
Brilliant: Learn by doing earns about $195.9K per month, while Notan: Grade Calculator earns about $10.3K. That is a 19.0× revenue gap (~$185.6K more per month for Brilliant: Learn by doing). Annual revenue: Brilliant: Learn by doing ≈ $2.35M/year, Notan: Grade Calculator ≈ $124.0K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Brilliant: Learn by doing or Notan: Grade Calculator? v
Brilliant: Learn by doing leads with about 3.2M estimated downloads vs 797K for Notan: Grade Calculator - a 4.0× gap. Brilliant: Learn by doing's App Store downloads are estimated from 29K ratings × the standard 1:75 ratio. Notan: Grade Calculator reports 500,000+ installs on Google Play.
Are Brilliant: Learn by doing and Notan: Grade Calculator in the same App Store category on each store 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 Notan: Grade Calculator offer? v
Brilliant: Learn by doing: IAP range 4 tiers detected. Notan: Grade Calculator: IAP range $4.99 per item. Brilliant: Learn by doing runs a "Subscription (~$16.00/mo)" monetization model; Notan: Grade Calculator runs "Free + IAP (tiers not exposed by store)". 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 Notan: Grade Calculator? v
Notan: Grade Calculator edges ahead with ★ 4.9 vs ★ 4.7 (gap of 0.2 stars). Rating volume: Brilliant: Learn by doing 29K ratings, Notan: Grade Calculator 2 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Brilliant: Learn by doing vs Notan: Grade Calculator revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $195.9K for Brilliant: Learn by doing and $10.3K for Notan: Grade Calculator are derived from App Store grossing rank / Google Play install ranges, 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 Notan: Grade Calculator to a different App Store app? v
Use the search box at the bottom of this page or paste any two App Store or Google Play 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.