Duolingo: Language Lessons vs Exam Reader-Optical Test Grade
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
$600–$3k
Downloads / mo
4.3M–18M
500–2k
Rating
★ 4.73 (46M)
★ 2.20 (339)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.1y ago
10.3y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $600–$3k/mo for Exam Reader-Optical Test Grade.