消防設備士第4類【甲乙対応】（過去問ドリル) vs Learn English, Spanish: Learna
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$40–$300
$730k–$3.9M
Downloads / mo
100–500
2.1M–8.7M
Rating
★ 3.60 (—)
★ 4.59 (745k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
—
1.9y ago
Verdict: Learn English, Spanish: Learna earns more — an estimated $730k–$3.9M/mo, versus $40–$300/mo for 消防設備士第4類【甲乙対応】（過去問ドリル).