Duolingo: Language Lessons vs Grace 4
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$4.4M–$18M
$200–$1k
Downloads / mo
2.9M–12M
20–100
Rating
★ 4.73 (5.3M)
★ 4.57 (44)
Pricing
Free + IAP
Paid $39.99
Category
Education
Education
Released
13.6y ago
16.3y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $4.4M–$18M/mo, versus $200–$1k/mo for Grace 4.