Duolingo: Language Lessons vs GSSK
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$24M–$98M
$60–$300
Downloads / mo
3.5M–15M
5–30
Rating
★ 4.72 (46M)
★ 2.72 (—)
Pricing
Free + IAP
Paid $19.99
Category
Education
Education
Released
13.1y ago
—
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $60–$300/mo for GSSK.