Duolingo: Language Lessons vs Mars Globe HD
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$5.1M–$21M
$20–$80
Downloads / mo
3.4M–14M
20–200
Rating
★ 4.73 (5.3M)
★ 4.78 (54)
Pricing
Free + IAP
Paid $0.99
Category
Education
Education
Released
13.6y ago
16.0y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $5.1M–$21M/mo, versus $20–$80/mo for Mars Globe HD.