Duolingo: Language Lessons vs ケータイ司法書士Ⅰ 2026 〔資格試験対策アプリ〕
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–$97M
$80–$400
Downloads / mo
3.5M–15M
10–50
Rating
★ 4.72 (46M)
★ 0.00 (—)
Pricing
Free + IAP
Paid $9.99
Category
Education
Education
Released
13.1y ago
9mo ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$97M/mo, versus $80–$400/mo for ケータイ司法書士Ⅰ 2026 〔資格試験対策アプリ〕.