中小企業診断士 秒トレ：忘却曲線で覚える要点速習 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
$20–$200
$12M–$40M
Downloads / mo
70–300
6.6M–27M
Rating
★ 4.69 (—)
★ 4.73 (48M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
5.0y ago
13.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $20–$200/mo for 中小企業診断士 秒トレ：忘却曲線で覚える要点速習.