說出日語好關係：出口仁老師日語小冊系列 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
$12M–$40M
Downloads / mo
2–9
6.6M–27M
Rating
—
★ 4.73 (48M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
5.9y ago
13.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $1–$4/mo for 說出日語好關係：出口仁老師日語小冊系列.