ケータイ管理業務主任者 2026 〔資格試験対策アプリ〕 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
$20–$90
$24M–$98M
Downloads / mo
4–20
3.5M–15M
Rating
—
★ 4.73 (46M)
Pricing
Paid $7.49
Free + IAP
Category
Education
Education
Released
3mo ago
13.1y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$98M/mo, versus $20–$90/mo for ケータイ管理業務主任者 2026 〔資格試験対策アプリ〕.