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
$2k–$12k
$12M–$40M
Downloads / mo
7k–27k
6.6M–27M
Rating
★ 4.85 (—)
★ 4.73 (48M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
5.7y ago
13.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $2k–$12k/mo for 한국사오답노트 - 한국사능력시험(한능검) 심화 기출요약.