Duolingo: Language Lessons vs Geometry Calculator Helper
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
$0
Downloads / mo
3.8M–16M
1–3
Rating
★ 4.73 (5.2M)
★ 2.00 (1)
Pricing
Free + IAP
Free
Category
Education
Education
Released
13.6y ago
3.1y ago