用賴世雄筆記法學英文 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
$3–$10
$24M–$98M
Downloads / mo
0–2
4.3M–18M
Rating
★ 0.00 (—)
★ 4.73 (46M)
Pricing
Paid $9.49
Free + IAP
Category
Education
Education
Released
3.3y ago
13.1y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $3–$10/mo for 用賴世雄筆記法學英文.