合格革命行政書士肢別過去問集 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
$0
$23M–$95M
Downloads / mo
100–800
4.1M–17M
Rating
★ 3.21 (34)
★ 4.73 (5.2M)
Pricing
Free
Free + IAP
Category
Education
Education
Released
4mo ago
13.6y ago