Duolingo: Language Lessons vs Peek-a-Zoo Underwater Sounds
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$5.1M–$21M
$500–$2k
Downloads / mo
3.4M–14M
100–800
Rating
★ 4.73 (5.3M)
★ 4.30 (337)
Pricing
Free + IAP
Paid $3.99
Category
Education
Education
Released
13.6y ago
13.8y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $5.1M–$21M/mo, versus $500–$2k/mo for Peek-a-Zoo Underwater Sounds.