ITパスポート 全問解説 - 独学TODAY vs Simply Piano: Learn Piano Fast
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$0
$760k–$4.1M
Downloads / mo
12k–50k
1.1M–4.5M
Rating
★ 4.72 (23k)
★ 4.68 (840k)
Pricing
Free
Free + IAP
Category
Education
Education
Released
7.6y ago
10.9y ago