About this app
Calculators to assess pump speed, head pressure, rpm, volume flow rate, impeller diameter when adjusting various parameters. Calculations are available for both metric and imperial.
Latest release
What’s New
Version 1.0.1
May 23, 2023
Updated for latest iOS
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
$1.99
Historical low
USD 1.99
Paid → free
0×
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 16, 2026 · 12:40 AM $1.99
Screenshots
