Duolingo: Language Lessons vs Hungry Caterpillar Play School
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
$100–$800
Downloads / mo
3.3M–14M
500–2k
Rating
★ 4.73 (5.2M)
★ 4.22 (1k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.6y ago
8.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $100–$800/mo for Hungry Caterpillar Play School.