Duolingo: Language Lessons vs Vernier Caliper
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–$95M
$1–$4
Downloads / mo
3.9M–16M
2–6
Rating
★ 4.73 (5.3M)
★ 4.67 (3)
Pricing
Free + IAP
Paid $0.99
Category
Education
Education
Released
13.6y ago
13.9y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $1–$4/mo for Vernier Caliper.