Duolingo: Language Lessons vs eBooks: American Red Cross
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$3.2M–$11M
$0
Downloads / mo
2.7M–12M
10–60
Rating
★ 4.72 (5.5M)
★ 1.69 (26)
Pricing
Free + IAP
Free
Category
Education
Education
Released
13.9y ago
4.8y ago