日本史の王様-中学歴史・高校日本史の一問一答勉強アプリ vs Duolingo: Language Lessons
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$1–$4
$23M–$96M
Downloads / mo
2–9
3.8M–16M
Rating
★ 3.50 (4)
★ 4.73 (5.3M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.8y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $1–$4/mo for 日本史の王様-中学歴史・高校日本史の一問一答勉強アプリ.