헤이링: AI 전화영어, 스픽•영어회화•스피킹•발음 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
$30–$200
$9.6M–$32M
Downloads / mo
40–200
2.5M–11M
Rating
★ 5.00 (5)
★ 4.72 (5.4M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
2mo ago
13.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.6M–$32M/mo, versus $30–$200/mo for 헤이링: AI 전화영어, 스픽•영어회화•스피킹•발음.