Duolingo: Language Lessons vs Stellarium Mobile - 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
$23M–$96M
$10k–$39k
Downloads / mo
3.8M–16M
12k–52k
Rating
★ 4.73 (5.2M)
★ 4.85 (36k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.6y ago
7.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $10k–$39k/mo for Stellarium Mobile - Star Map.