Duolingo: Language Lessons vs QUBE(큐브)-실시간 문제풀이 앱(수학, 영어 등)

A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.

Duolingo: Language LessonsQUBE(큐브)-실시간 문제풀이 앱(수학, 영어 등)

Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $1–$2/mo for QUBE(큐브)-실시간 문제풀이 앱(수학, 영어 등).