Duolingo: Language Lessons vs Kjos IPS
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$24M–$98M
$0
Downloads / mo
4.3M–18M
400–2k
Rating
★ 4.73 (46M)
★ 3.10 (309)
Pricing
Free + IAP
Free
Category
Education
Education
Released
13.1y ago
10.8y ago