Duolingo: Language Lessons vs Solar Walk - Explore Planets
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$3.5M–$12M
$50–$900
Downloads / mo
7.0M–29M
50–200
Rating
★ 4.73 (49M)
★ 4.29 (1k)
Pricing
Free + IAP
Paid $2.99
Category
Education
Education
Released
13.4y ago
12.5y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.5M–$12M/mo, versus $50–$900/mo for Solar Walk - Explore Planets.