Amazon Kindle: Reading App vs 證照考試題庫 - 社工師、營養師、驗光師、不動產經紀人
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$860k–$2.9M
$0
Downloads / mo
720k–3.0M
200–1k
Rating
★ 4.77 (4.8M)
★ 4.94 (—)
Pricing
Free + IAP
Free
Category
Books
Books
Released
16.1y ago
4.8y ago