Duolingo: Language Lessons vs Kentucky CDL Test Prep
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
$20–$80
Downloads / mo
3.0M–13M
2–9
Rating
★ 4.73 (5.3M)
★ 3.50 (4)
Pricing
Free + IAP
Paid $12.99
Category
Education
Education
Released
13.6y ago
4.5y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $20–$80/mo for Kentucky CDL Test Prep.