CDL Prep vs Duolingo: Language Lessons
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$0
$23M–$95M
Downloads / mo
22k–92k
14M–60M
Rating
★ 4.61 (6k)
★ 4.72 (46M)
Pricing
Free
Free + IAP
Category
Education
Education
Released
12.0y ago
13.0y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $0/mo for CDL Prep.