新概念英语专业版 - 英语美语全四册 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
$10–$50
$23M–$96M
Downloads / mo
10–70
3.8M–16M
Rating
★ 4.19 (31)
★ 4.73 (5.2M)
Pricing
Paid $0.99
Free + IAP
Category
Education
Education
Released
12.5y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $10–$50/mo for 新概念英语专业版 - 英语美语全四册.