전자문제집 CBT - 오답노트 기출문제 자격증 공무원 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
$1–$6
$23M–$95M
Downloads / mo
2–8
4.1M–17M
Rating
★ 5.00 (1)
★ 4.73 (5.2M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
1.1y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $1–$6/mo for 전자문제집 CBT - 오답노트 기출문제 자격증 공무원.