大学英语四级听力真题和货币战争4战国时代 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
$0–$2
$23M–$95M
Downloads / mo
1–4
4.1M–17M
Rating
★ 5.00 (2)
★ 4.73 (5.2M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.1y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $0–$2/mo for 大学英语四级听力真题和货币战争4战国时代.