Duolingo: Language Lessons vs Karvis: Speak Korean Daily
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$12M–$40M
$90–$500
Downloads / mo
6.6M–27M
200–1k
Rating
★ 4.73 (48M)
★ 4.63 (—)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.2y ago
7mo ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $90–$500/mo for Karvis: Speak Korean Daily.