Castle Blocks: Easy Building 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
$100–$800
$5.1M–$21M
Downloads / mo
100–600
3.4M–14M
Rating
★ 4.39 (261)
★ 4.73 (5.3M)
Pricing
Paid $1.99
Free + IAP
Category
Education
Education
Released
8.2y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $5.1M–$21M/mo, versus $100–$800/mo for Castle Blocks: Easy Building.