Duolingo: Language Lessons vs Firefighting I/II Exam 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
$500–$2k
Downloads / mo
4.1M–17M
60–300
Rating
★ 4.73 (5.2M)
★ 4.57 (129)
Pricing
Free + IAP
Paid $11.99
Category
Education
Education
Released
13.6y ago
12.4y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$95M/mo, versus $500–$2k/mo for Firefighting I/II Exam Prep.