Duolingo: Language Lessons vs Guitar Fretboard Note Trainer
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$3.1M–$11M
$50–$1k
Downloads / mo
2.6M–11M
80–400
Rating
★ 4.72 (5.5M)
★ 4.50 (156)
Pricing
Free + IAP
Paid $1.99
Category
Education
Education
Released
13.9y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $3.1M–$11M/mo, versus $50–$1k/mo for Guitar Fretboard Note Trainer.