Duolingo: Language Lessons vs PA-CAT: King of the Curve
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$23M–$95M
$2–$6
Downloads / mo
3.7M–15M
6–30
Rating
★ 4.73 (5.2M)
★ 4.75 (12)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.6y ago
4.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $2–$6/mo for PA-CAT: King of the Curve.