8-STEP 영어회화 자동암기 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
$60–$300
$23M–$96M
Downloads / mo
10–60
3.8M–16M
Rating
★ 4.72 (25)
★ 4.73 (5.2M)
Pricing
Paid $6.99
Free + IAP
Category
Education
Education
Released
9.6y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $60–$300/mo for 8-STEP 영어회화 자동암기.