Duolingo: Language Lessons vs Stellarium Plus - 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
$7k–$110k
Downloads / mo
6.9M–28M
900–4k
Rating
★ 4.73 (49M)
★ 4.76 (8k)
Pricing
Free + IAP
Paid $19.99
Category
Education
Education
Released
13.3y ago
7.5y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.8M–$32M/mo, versus $7k–$110k/mo for Stellarium Plus - Star Map.