Duolingo: Language Lessons vs Grammatik aktiv A1-B1 Deutsch
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$24M–$98M
$0
Downloads / mo
3.5M–15M
600–3k
Rating
★ 4.73 (46M)
★ 3.27 (—)
Pricing
Free + IAP
Free
Category
Education
Education
Released
13.1y ago
2.7y ago