Flow Rate Help vs Darcy Weisbach Equations Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow Rate Help
Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.
- Solve flow rate equations
- Customizable diameter units
- Customizable velocity units
- Customizable flow rate units
- Set decimal places
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Quickly find flow rate, required pipe diameter or velocity of a liquid! Features Include: - Accurately solve flow rate equations - Set preferred diameter unit from: mm, cm, m, km, inches, feet, yards and miles - Set preferred velocity unit from: m/s, m/min, km/min, km/h, ft/s, ft/min, mi/min and mph - Set preferred flow rate unit from: m³/s, m³/min, m³/h, l/s, l/min, l/h, gps. gpm and gph - Select your preferred number of decimal places
Darcy Weisbach Equations Calc
This physics and math calculator quickly computes fluid head loss, friction factor, and other pipe flow parameters. It supports various units and offers precise calculations up to 16 decimal places. Results can be easily copied to other applications.
- Instant calculation
- Copyable results
- Formula reference
- 16 decimal place precision
- Multiple unit support
- Ad-free and private
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Darcy-Weisbach Equations Calculator is a physics/math calculator designed to find fluid head loss, friction factor, pipe length, pipe diameter, or fluid flow velocity quickly and easily. Features: - Instant calculation. - Results are copyable to other apps. - Formulas are included as a reference. - Support up to 16 decimal places. - Support various units for each input. - Works seamlessly on both iPhone and iPad. - Lightweight, compact app optimized for everyday use. - Ad-free and built with privacy in mind. Darcy-Weisbach Equations for Hydraulics Fluid Mechanics In fluid dynamics, the Darcy–Weisbach equation is an empirical equation that relates the head loss or pressure loss due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid. The equation is named after Henry Darcy and Julius Weisbach. Darcy-Weisbach equations are used to calculate the major pressure or head loss due to friction in pipes, ducts, or tubes. Formula: h = fLv²/2Dg Where: h - is the head loss f - is the friction factor L - is the pipe length D - is the pipe diameter v - is the flow velocity g - is the acceleration of gravity Thanks for your support, and do visit nitrio.com for more apps for your iOS devices.
Screenshots
Verdict
The clearest difference is price: Flow Rate Help at $0.99 against Darcy Weisbach Equations Calc's $2.99. Flow Rate Help also leads on iOS requirement (11.0 vs 13). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Flow Rate Help costs $0.99 and Darcy Weisbach Equations Calc $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Flow Rate Help ships an update every 15 months, Darcy Weisbach Equations Calc every 26 months. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | Flow Rate Help | Darcy Weisbach Equations Calc |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Rating | 4.3 (44 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 44 — better | — |
| Update frequency | Every 15 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Armchair Engineering | Nitrio |
Customer experience
Flow Rate Help
Darcy Weisbach Equations Calc
In-app purchases
Flow Rate Help
No in-app purchases
Darcy Weisbach Equations Calc
No in-app purchases
Questions
Is Flow Rate Help free?
Is Darcy Weisbach Equations Calc free?
Do Flow Rate Help or Darcy Weisbach Equations Calc have ads?
Which is updated more often, Flow Rate Help or Darcy Weisbach Equations Calc?
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