Duolingo: Language Lessons vs IFSTA HazMat First Responder 6
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
$300–$2k
Downloads / mo
4.3M–18M
200–900
Rating
★ 4.73 (46M)
★ 4.00 (11)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.1y ago
2.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $300–$2k/mo for IFSTA HazMat First Responder 6.