DuckDuckGo, optional Duck.ai vs 十三行紫微斗數 for iPad
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$300k–$1.7M
$10–$300
Downloads / mo
730k–3.0M
1–4
Rating
★ 4.85 (2.4M)
★ 5.00 (2)
Pricing
Free + IAP
Paid $39.99
Category
Utilities
Utilities
Released
13.1y ago
14.6y ago
Verdict: DuckDuckGo, optional Duck.ai earns more — an estimated $300k–$1.7M/mo, versus $10–$300/mo for 十三行紫微斗數 for iPad.