한국사오답노트 - 한국사능력시험(한능검) 심화 기출요약 vs Duolingo: Language Lessons
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$500–$2k
$24M–$98M
Downloads / mo
1k–4k
3.5M–15M
Rating
★ 4.86 (—)
★ 4.73 (46M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
5.6y ago
13.1y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $500–$2k/mo for 한국사오답노트 - 한국사능력시험(한능검) 심화 기출요약.