Duolingo: Language Lessons vs 一次學會KK音標, KK音標 + 字母拼讀法
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$12M–$40M
$20–$200
Downloads / mo
6.6M–27M
80–400
Rating
★ 4.73 (48M)
★ 3.69 (209)
Pricing
Free + IAP
Free + IAP
Category
Education
Education
Released
13.2y ago
8.4y ago
Verdict: Duolingo: Language Lessons earns more — an estimated $12M–$40M/mo, versus $20–$200/mo for 一次學會KK音標, KK音標 + 字母拼讀法.