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
$23M–$96M
$1–$2
Downloads / mo
3.8M–16M
3–20
Rating
★ 4.73 (5.2M)
★ 3.00 (4)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.6y ago
2.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $1–$2/mo for Grammatik aktiv A1-B1 Deutsch.