12min: Book Summaries Daily 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
$900–$4k
$23M–$96M
Downloads / mo
3k–14k
3.8M–16M
Rating
★ 4.75 (6k)
★ 4.73 (5.2M)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
9.5y ago
13.6y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $23M–$96M/mo, versus $900–$4k/mo for 12min: Book Summaries Daily.