Hydraulics and Waterworks Calc vs Microsoft Outlook
A data-backed head-to-head — estimated revenue, downloads, ratings and pricing side by side, from live App Store signals. Updated continuously.
Revenue / mo
$20–$90
$5.5M–$23M
Downloads / mo
6–30
3.2M–13M
Rating
★ 4.17 (12)
★ 4.80 (9.0M)
Pricing
Paid $4.99
Free + IAP
Category
Productivity
Productivity
Released
13.3y ago
11.4y ago
Verdict: Microsoft Outlook earns more — an estimated $5.5M–$23M/mo, versus $20–$90/mo for Hydraulics and Waterworks Calc.