Calculightning 1 - Maths 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
$5–$80
$9.6M–$32M
Downloads / mo
1–4
2.5M–11M
Rating
★ 3.00 (2)
★ 4.72 (5.4M)
Pricing
Paid $12.99
Free + IAP
Category
Education
Education
Released
10.8y ago
13.7y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $9.6M–$32M/mo, versus $5–$80/mo for Calculightning 1 - Maths.