보보월드：캐슬 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
$100–$500
$19M–$79M
Downloads / mo
400–2k
810k–3.3M
Rating
★ 4.20 (60)
★ 4.65 (285k)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
4.7y ago
1.7y ago
Verdict: Speak & Learn English: Learna earns more — an estimated $19M–$79M/mo, versus $100–$500/mo for 보보월드：캐슬.