Duolingo: Language Lessons vs FAA A&P Powerplant Test Prep
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$23M–$95M
$2k–$8k
Downloads / mo
4.1M–17M
100–700
Rating
★ 4.73 (5.2M)
★ 4.89 (18)
Pricing
Free + IAP
Paid $79.99
Category
Education
Education
Released
13.6y ago
15.8y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $2k–$8k/mo for FAA A&P Powerplant Test Prep.