Apps by Larry Owens
Flow Test Calculator app icon

Productivity

Flow Test Calculator

Larry Owens

Free download 4.13 · 1 storefront · 63 ratings In-app purchases unconfirmed
Open on Apple

About this app

This app is a simple flow test calculator to assist the user with determining flow rates of hydrants as well as determining if the maximum flow of the water system. A standard variation of the Hazen-Williams formula is used to determine the Max Flow Available. All units are in Imperial. Metric to come soon.

Latest release

What’s New

Version 2.0 Sep 1, 2021

Changed the layout and made it work on multiple screen sizes. Added the ability to enter default numbers.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
63 ratings
63 Aug 20, 2026 · 63 ratings Aug 20, 2026

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

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 20, 2026 · Free Aug 20, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 20, 2026 · 9:24 PM Free

Screenshots

Flow Test Calculator iPhone screenshotFlow Test Calculator iPhone screenshot Flow Test Calculator iPad screenshotFlow Test Calculator iPad screenshot