Duolingo: Language Lessons vs IFSTA Instructor 9
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
$80–$400
Downloads / mo
3.5M–15M
50–300
Rating
★ 4.72 (46M)
★ 4.20 (14)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.1y ago
4.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $80–$400/mo for IFSTA Instructor 9.