Duolingo: Language Lessons vs Gasometer Audioguide
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$12M–$40M
$10–$300
Downloads / mo
6.6M–27M
10–50
Rating
★ 4.73 (48M)
★ 2.92 (—)
Pricing
Free + IAP
Paid $3.49
Category
Education
Education
Released
13.2y ago
4.9y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $10–$300/mo for Gasometer Audioguide.