3D Earth & moon, sun and stars vs Duolingo: Language Lessons
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$2k–$10k
$3.1M–$11M
Downloads / mo
3k–12k
2.6M–11M
Rating
★ 4.51 (5k)
★ 4.72 (5.5M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
8.0y ago
13.9y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.1M–$11M/mo, versus $2k–$10k/mo for 3D Earth & moon, sun and stars.