DotToDot numbers & letters 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
$20–$200
$23M–$96M
Downloads / mo
8–30
3.8M–16M
Rating
★ 3.79 (14)
★ 4.73 (5.3M)
Pricing
Paid $4.99
Free + IAP
Category
Education
Education
Released
16.7y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $20–$200/mo for DotToDot numbers & letters.