Duolingo: Language Lessons vs Learn JavaScript Development
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$23M–$96M
$20–$100
Downloads / mo
3.8M–16M
10–80
Rating
★ 4.73 (5.2M)
★ 4.36 (33)
Pricing
Free + IAP
Paid $1.99
Category
Education
Education
Released
13.6y ago
6.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $20–$100/mo for Learn JavaScript Development.