CITB Op/Spec HS&E test vs Grand Piano and Keyboard

CITB Op/Spec HS&E test

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

Grand Piano and Keyboard

PG App Studio
Google Play
$82.6K/mo
~$991.2K/yr · 7.5M installs
Revenue winner Grand Piano and Keyboard wins +73646% vs other
Installs winner Grand Piano and Keyboard wins +1245681% vs other
MAU winner Grand Piano and Keyboard wins +576460% vs other
Rating winner CITB Op/Spec HS&E test wins +26% vs other

Why Grand Piano and Keyboard is winning

Top 3 reasons - backed by the public App Store / Play Store numbers.

  1. Grand Piano and Keyboard earns roughly 737× more per month than CITB Op/Spec HS&E test - $82.6K vs $112.
  2. Subscription model. Grand Piano and Keyboard runs a $2.89/mo subscription that compounds; CITB Op/Spec HS&E test relies on one-shot IAP or ads.
  3. Bigger install base. Grand Piano and Keyboard has ~7.5M lifetime installs vs CITB Op/Spec HS&E test's ~600 - 12457.8× the funnel top.

→ Find more apps with this revenue gap · Full Grand Piano and Keyboard report

Side-by-side metrics

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

CITB Op/Spec HS&E test
vs
Grand Piano and Keyboard
Monthly revenue (est.)?
$112
▶
$82.6K
Annual revenue (est.)
$1.3K
▶
$991.2K
Lifetime installs (est.)
600
▶
7.5M
Monthly active users (est.)?
72.6
▶
419K
App Store rating
5.00★
◀
3.98★
Total ratings
12
▶
5K
US grossing rank
-
=
-
Cheapest monthly sub
No sub
▶
$2.89
IAP tiers detected
0 tiers
=
0 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 →

Grand Piano and Keyboard

PG App Studio
Google Play
Category
Education
Price
Free
Released
Aug 27, 2023
Last updated
Jul 1, 2026
File size
-
Content rating
Everyone
Version
7.2.2
Languages
-
View full Grand Piano and Keyboard report →

CITB Op/Spec HS&E test trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Grand Piano and Keyboard trajectory

AugSepOctNovDecJanFebMarAprMayJunJul

Related app pages

CITB Op/Spec HS&E test App Store page →Grand Piano and Keyboard Play Store page →

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FAQ

Which makes more money, CITB Op/Spec HS&E test or Grand Piano and Keyboard? v
Grand Piano and Keyboard earns about $82.6K per month, while CITB Op/Spec HS&E test earns about $112. That is a 737.5× revenue gap (~$82.5K more per month for Grand Piano and Keyboard). Annual revenue: CITB Op/Spec HS&E test ≈ $1.3K/year, Grand Piano and Keyboard ≈ $991.2K/year. Estimates are derived from public App Store / Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, CITB Op/Spec HS&E test or Grand Piano and Keyboard? v
Grand Piano and Keyboard leads with about 7.5M estimated downloads vs 600 for CITB Op/Spec HS&E test - a 12457.8× gap. CITB Op/Spec HS&E test's App Store downloads are estimated from 12 ratings × the standard 1:75 ratio. Grand Piano and Keyboard reports 5,000,000+ installs on Google Play.
Are CITB Op/Spec HS&E test and Grand Piano and Keyboard 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 CITB Op/Spec HS&E test and Grand Piano and Keyboard offer? v
CITB Op/Spec HS&E test: no IAP detected on the public listing. Grand Piano and Keyboard: IAP range $0.49 - $16.99 per item. CITB Op/Spec HS&E test runs a "Paid app ($6.99)" monetization model; Grand Piano and Keyboard runs "Subscription (~$2.89/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 Grand Piano and Keyboard? v
CITB Op/Spec HS&E test edges ahead with ★ 5.0 vs ★ 4.0 (gap of 1.0 stars). Rating volume: CITB Op/Spec HS&E test 12 ratings, Grand Piano and Keyboard 36 ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these CITB Op/Spec HS&E test vs Grand Piano and Keyboard 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 $82.6K for Grand Piano and Keyboard 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 CITB Op/Spec HS&E test or Grand Piano and Keyboard 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.