英語從頭學（全系列） 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
$10–$50
$23M–$96M
Downloads / mo
1–4
3.8M–16M
Rating
★ 5.00 (2)
★ 4.73 (5.2M)
Pricing
Paid $14.99
Free + IAP
Category
Education
Education
Released
11.2y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $10–$50/mo for 英語從頭學（全系列）.