Flashnote Derby vs Simply Piano: Learn Piano Fast

Flashnote Derby

Luke Bartolomeo
App Store
$506/mo
~$6.1K/yr · 4K installs
VS

Simply Piano: Learn Piano Fast

Simply Ltd
App Store
$2.66M/mo
~$31.93M/yr · 124.6M installs
Revenue winner Simply Piano: Learn Piano Fast wins +525714% vs other
Installs winner Simply Piano: Learn Piano Fast wins +3279480% vs other
MAU winner Simply Piano: Learn Piano Fast wins +992800% vs other
Rating winner Simply Piano: Learn Piano Fast wins +29% vs other

Why Simply Piano: Learn Piano Fast is winning

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

  1. Simply Piano: Learn Piano Fast earns roughly 5258× more per month than Flashnote Derby - $2.66M vs $506.
  2. Subscription model. Simply Piano: Learn Piano Fast runs a $19.99/mo subscription that compounds; Flashnote Derby relies on one-shot IAP or ads.
  3. Bigger install base. Simply Piano: Learn Piano Fast has ~124.6M lifetime installs vs Flashnote Derby's ~4K - 32795.8× the funnel top.
  4. More monetization surfaces. Simply Piano: Learn Piano Fast runs 7 IAP tiers vs 0 - more chances to convert users at the right price.

→ Find more apps with this revenue gap · Full Simply Piano: Learn Piano Fast report

Side-by-side metrics

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

Flashnote Derby
vs
Simply Piano: Learn Piano Fast
Monthly revenue (est.)?
$506
▶
$2.66M
Annual revenue (est.)
$6.1K
▶
$31.93M
Lifetime installs (est.)
4K
▶
124.6M
Monthly active users (est.)?
414.2
▶
4.1M
App Store rating
3.64★
▶
4.69★
Total ratings
76
▶
831K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$19.99
IAP tiers detected
0 tiers
▶
7 tiers

Flashnote Derby

Luke Bartolomeo
App Store
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
View full Flashnote Derby report →

Simply Piano: Learn Piano Fast

Simply Ltd
App Store
Category
Education
Price
Free
Released
Sep 2, 2015
Last updated
Jul 1, 2026
File size
280.8 MB
Content rating
4+
Version
9.10.76
Languages
Arabic, Dutch, English, French, German, Hebrew +8 more
View full Simply Piano: Learn Piano Fast report →

Flashnote Derby trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Simply Piano: Learn Piano Fast trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

Flashnote Derby App Store page →Simply Piano: Learn Piano Fast App Store page →

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FAQ

Which makes more money, Flashnote Derby or Simply Piano: Learn Piano Fast? v
Simply Piano: Learn Piano Fast earns about $2.66M per month, while Flashnote Derby earns about $506. That is a 5258.1× revenue gap (~$2.66M more per month for Simply Piano: Learn Piano Fast). Annual revenue: Flashnote Derby ≈ $6.1K/year, Simply Piano: Learn Piano Fast ≈ $31.93M/year. Estimates are derived from public App Store signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Flashnote Derby or Simply Piano: Learn Piano Fast? v
Simply Piano: Learn Piano Fast leads with about 124.6M estimated downloads vs 4K for Flashnote Derby - a 32795.8× gap. Flashnote Derby's App Store downloads are estimated from 76 ratings × the standard 1:75 ratio. Simply Piano: Learn Piano Fast's App Store downloads are estimated from 831K ratings.
Are Flashnote Derby and Simply Piano: Learn Piano Fast 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 Flashnote Derby and Simply Piano: Learn Piano Fast offer? v
Flashnote Derby: no IAP detected on the public listing. Simply Piano: Learn Piano Fast: IAP range 7 tiers detected. Flashnote Derby runs a "Paid app ($4.99)" monetization model; Simply Piano: Learn Piano Fast runs "Subscription (~$19.99/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Flashnote Derby or Simply Piano: Learn Piano Fast? v
Simply Piano: Learn Piano Fast edges ahead with ★ 4.7 vs ★ 3.6 (gap of 1.0 stars). Rating volume: Flashnote Derby 76 ratings, Simply Piano: Learn Piano Fast 831K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Flashnote Derby vs Simply Piano: Learn Piano Fast revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $506 for Flashnote Derby and $2.66M for Simply Piano: Learn Piano Fast 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 Flashnote Derby or Simply Piano: Learn Piano Fast 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.