Amazon Kindle: Reading App vs Calibre Sync
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
$1k–$19k
Downloads / mo
720k–3.0M
500–2k
Rating
★ 4.77 (4.8M)
★ 3.31 (439)
Pricing
Free + IAP
Paid $5.49
Category
Books
Books
Released
16.1y ago
6.3y ago
Verdict: Amazon Kindle: Reading App earns more — an estimated $860k–$2.9M/mo, versus $1k–$19k/mo for Calibre Sync.