常春藤核心英文字彙 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–$50
$9.6M–$32M
Downloads / mo
2–9
2.5M–11M
Rating
★ 2.50 (4)
★ 4.72 (5.4M)
Pricing
Paid $3.99
Free + IAP
Category
Education
Education
Released
12.7y ago
13.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.6M–$32M/mo, versus $3–$50/mo for 常春藤核心英文字彙.