Duolingo: Language Lessons vs Light Pollution Map - Dark Sky
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$12M–$40M
$1k–$7k
Downloads / mo
6.6M–27M
4k–16k
Rating
★ 4.73 (48M)
★ 4.67 (7k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.2y ago
11.0y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $1k–$7k/mo for Light Pollution Map - Dark Sky.