Piano Keyboard: Learn Piano vs Podcast Player - Castbox
Piano Keyboard: Learn Piano
Avn Global Application
Google Play
$269.0K/mo
~$3.23M/yr · 4.0M installs
VS
Podcast Player - Castbox
Castbox.FM - Radio & Podcast & AudioBooks
Google Play
$924.3K/mo
~$11.09M/yr · 25.8M installs
Revenue winner
Podcast Player - Castbox wins
+244% vs other
Installs winner
Podcast Player - Castbox wins
+551% vs other
MAU winner
Podcast Player - Castbox wins
+301% vs other
Rating winner
Podcast Player - Castbox wins
+9% vs other
Why Podcast Player - Castbox is winning
Top 4 reasons - backed by the public App Store / Play Store numbers.
- Podcast Player - Castbox earns roughly 3× more per month than Piano Keyboard: Learn Piano - $924.3K vs $269.0K.
- Aggressive pricing. Podcast Player - Castbox undercuts at $9.95/mo vs $18.68/mo - converts a higher % of free users.
- Bigger install base. Podcast Player - Castbox has ~25.8M lifetime installs vs Piano Keyboard: Learn Piano's ~4.0M - 6.5× the funnel top.
- Better app store reviews. Podcast Player - Castbox sits at 4.72★ vs 4.32★ - store algorithms reward higher-rated apps with more impressions.
→ Find more apps with this revenue gap · Full Podcast Player - Castbox report
Side-by-side metrics
Bars scale to whichever app is bigger on that row. Green = winner.
Piano Keyboard: Learn Piano
vs
Podcast Player - Castbox
Monthly revenue (est.)?
$269.0K
▶
$924.3K
Annual revenue (est.)
$3.23M
▶
$11.09M
Lifetime installs (est.)
4.0M
▶
25.8M
Monthly active users (est.)?
824K
▶
3.3M
App Store rating
4.32★
▶
4.72★
Total ratings
5K
▶
376K
US grossing rank
-
=
-
Cheapest monthly sub
$18.68
◀
$9.95
IAP tiers detected
0 tiers
=
0 tiers
- Category
- Music & Audio
- Price
- Free
- Released
- Jun 27, 2025
- Last updated
- May 8, 2026
- File size
- -
- Content rating
- Everyone
- Version
- 5.2.51.20260424
- Languages
- -
- Category
- Music & Audio
- Price
- Free
- Released
- Apr 15, 2017
- Last updated
- Jan 20, 2026
- File size
- -
- Content rating
- Teen
- Version
- 11.24.0-260114369
- Languages
- -
Piano Keyboard: Learn Piano trajectory
Podcast Player - Castbox trajectory
FAQ
Which makes more money, Piano Keyboard: Learn Piano or Podcast Player - Castbox? v
Podcast Player - Castbox earns about $924.3K per month, while Piano Keyboard: Learn Piano earns about $269.0K. That is a 3.4× revenue gap (~$655.3K more per month for Podcast Player - Castbox). Annual revenue: Piano Keyboard: Learn Piano ≈ $3.23M/year, Podcast Player - Castbox ≈ $11.09M/year. Estimates are derived from public Google Play signals - grossing rank, scraped IAP tiers, ratings and category benchmarks.
Which has more downloads, Piano Keyboard: Learn Piano or Podcast Player - Castbox? v
Podcast Player - Castbox leads with about 25.8M estimated downloads vs 4.0M for Piano Keyboard: Learn Piano - a 6.5× gap. Piano Keyboard: Learn Piano reports 1,000,000+ installs on Google Play. Podcast Player - Castbox reports 10,000,000+ installs on Google Play.
Are Piano Keyboard: Learn Piano and Podcast Player - Castbox in the same Google Play category and competing for the same money? v
Yes - both apps sit in the Music & Audio 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 Piano Keyboard: Learn Piano and Podcast Player - Castbox offer? v
Piano Keyboard: Learn Piano: IAP range $3.49 - $99.99 per item. Podcast Player - Castbox: IAP range $0.99 - $99.99 per item. Piano Keyboard: Learn Piano runs a "Subscription (~$18.68/mo)" monetization model; Podcast Player - Castbox runs "Subscription (~$9.95/mo)". Scraped tier prices and detected subscription pricing drive the bulk of the per-app revenue estimate above.
Which has better ratings, Piano Keyboard: Learn Piano or Podcast Player - Castbox? v
Podcast Player - Castbox edges ahead with ★ 4.7 vs ★ 4.3 (gap of 0.4 stars). Rating volume: Piano Keyboard: Learn Piano 30 ratings, Podcast Player - Castbox 29K ratings. Higher rating volume = stronger ASO signal even when star averages are close.
How accurate are these Piano Keyboard: Learn Piano vs Podcast Player - Castbox revenue estimates? v
Directional - typically within 2-3× of actual money earned for popular apps. The $269.0K for Piano Keyboard: Learn Piano and $924.3K for Podcast Player - Castbox are derived from Google Play grossing rank, scraped IAP tiers, ratings volume and category benchmarks (Music & Audio) - 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 Piano Keyboard: Learn Piano or Podcast Player - Castbox to a different Google Play app? v
Use the search box at the bottom of this page or paste any two 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.