AP Chemistry Quiz & Cards 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
$80–$1k
$3.3M–$11M
Downloads / mo
30–200
2.7M–12M
Rating
★ 4.95 (22)
★ 4.72 (5.5M)
Pricing
Paid $7.99
Free + IAP
Category
Education
Education
Released
4.7y ago
13.9y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.3M–$11M/mo, versus $80–$1k/mo for AP Chemistry Quiz & Cards.