Duolingo: Language Lessons vs Stellarium - Star Map
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$9.8M–$32M
$300k–$1.7M
Downloads / mo
6.9M–28M
910k–3.7M
Rating
★ 4.73 (49M)
★ 4.78 (332k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.3y ago
5.8y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.8M–$32M/mo, versus $300k–$1.7M/mo for Stellarium - Star Map.