山川一問一答日本史 vs Speak & Learn English: 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
$300–$2k
$1.1M–$4.6M
Downloads / mo
30–200
710k–2.9M
Rating
★ 2.62 (58)
★ 4.65 (284k)
Pricing
Paid $650
Free + IAP
Category
Education
Education
Released
10.5y ago
1.7y ago
Verdict: Speak & Learn English: Learna earns more — an estimated $1.1M–$4.6M/mo, versus $300–$2k/mo for 山川一問一答日本史.