Duolingo: Language Lessons vs IFSTA Chief Officer 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
$23M–$96M
$6–$30
Downloads / mo
3.8M–16M
4–20
Rating
★ 4.73 (5.2M)
★ 3.29 (7)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.6y ago
4.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $6–$30/mo for IFSTA Chief Officer 4.