Calculator ∞ 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
$14k–$57k
$24M–$97M
Downloads / mo
3k–14k
6.9M–28M
Rating
★ 4.70 (6k)
★ 4.73 (5.2M)
Pricing
Paid $5.99
Free + IAP
Category
Education
Education
Released
14.7y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $24M–$97M/mo, versus $14k–$57k/mo for Calculator ∞.