十三行八字 2008 for iPhone vs DuckDuckGo, optional Duck.ai
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$70–$1k
$300k–$1.7M
Downloads / mo
2–6
730k–3.0M
Rating
★ 3.67 (3)
★ 4.85 (2.4M)
Pricing
Paid $129.99
Free + IAP
Category
Utilities
Utilities
Released
17.7y ago
13.1y ago
Verdict: DuckDuckGo, optional Duck.ai earns more — an estimated $300k–$1.7M/mo, versus $70–$1k/mo for 十三行八字 2008 for iPhone.