社会福祉士 過去問(完全版) 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–$3
$23M–$95M
Downloads / mo
1–2
4.1M–17M
Rating
★ 4.00 (1)
★ 4.73 (5.2M)
Pricing
Paid $1.99
Free + IAP
Category
Education
Education
Released
4.8y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $1–$3/mo for 社会福祉士 過去問(完全版).