Duolingo: Language Lessons vs Sky Live: Heavens Above Viewer
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$3.1M–$11M
$5k–$29k
Downloads / mo
2.6M–11M
8k–32k
Rating
★ 4.72 (5.5M)
★ 4.61 (15k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.9y ago
13.0y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.1M–$11M/mo, versus $5k–$29k/mo for Sky Live: Heavens Above Viewer.