Duolingo: Language Lessons vs GENKI Vocab for 3rd Ed.

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

Duolingo: Language LessonsGENKI Vocab for 3rd Ed.

Verdict: These revenue estimates aren't directly comparable: Duolingo: Language Lessons's downloads are measured from Google Play install counts, while GENKI Vocab for 3rd Ed.'s are modeled from rating activity (a wider ± range).