AR measure ruler meter GRuler 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
$6–$40
$3.1M–$11M
Downloads / mo
9–40
2.6M–11M
Rating
★ 3.50 (16)
★ 4.72 (5.5M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
9.0y ago
13.9y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.1M–$11M/mo, versus $6–$40/mo for AR measure ruler meter GRuler.