ClerkOne 2026 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
$5k–$80k
$12M–$40M
Downloads / mo
90–400
6.6M–27M
Rating
★ 5.00 (5)
★ 4.73 (48M)
Pricing
Paid $149.99
Free + IAP
Category
Education
Education
Released
3mo ago
13.2y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $5k–$80k/mo for ClerkOne 2026.