# Fluid Pressure Drop vs Flow Rate Help

The clearest difference is rating: Fluid Pressure Drop at 5.0 against Flow Rate Help's 4.3. Flow Rate Help's advantage is ratings volume (44 vs 1) and price ($0.99 vs $4.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Fluid Pressure Drop costs $4.99 and Flow Rate Help $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fluid Pressure Drop holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Flow Rate Help has 44 ratings behind it against 1, so its average is the more settled of the two.

Fluid Pressure Drop ships an update every 12 months, Flow Rate Help every 15 months. The most recent releases landed on September 17, 2026 and August 6, 2026 respectively.

## The numbers

| Metric | Fluid Pressure Drop | Flow Rate Help |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fluid-pressure-drop/id467174085/reviews)** | [4.3 (44 ratings)](https://appshunter.io/ios/app/flow-rate-help/id1009898806/reviews) |
| Number of ratings | 1 | **44** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 15 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 3 MB |
| Requires iOS | 14.3 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Armchair Engineering](https://appshunter.io/developer/398901339) |

## What reviewers say

### Fluid Pressure Drop

[App page](https://appshunter.io/ios/app/fluid-pressure-drop/id467174085)

Calculate fluid transmission energy loss for industrial applications. Choose from common fluids, pipe schedules, and materials to determine pressure loss. Supports custom fluids and includes calculations for valves and fittings.

**Highlights:** Pressure loss computation, Custom fluid creation, Valve and fitting loss calculation, Multiple fluid options, Various pipe schedules and materials, Unit of measurement selection

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow Rate Help

[App page](https://appshunter.io/ios/app/flow-rate-help/id1009898806)

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.

**Highlights:** Solve flow rate equations, Customizable diameter units, Customizable velocity units, Customizable flow rate units, Set decimal places

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fluid Pressure Drop free?

Fluid Pressure Drop costs $4.99, with no in-app purchases.

### Is Flow Rate Help free?

Flow Rate Help costs $0.99, with no in-app purchases.

### Which has better reviews, Fluid Pressure Drop or Flow Rate Help?

Fluid Pressure Drop is rated higher. Fluid Pressure Drop averages 5.0 out of 5 from 1 ratings, while Flow Rate Help averages 4.3 from 44 ratings.

### Do Fluid Pressure Drop or Flow Rate Help have ads?

Neither Fluid Pressure Drop nor Flow Rate Help shows ads.

### Which is updated more often, Fluid Pressure Drop or Flow Rate Help?

Fluid Pressure Drop ships an update every 12 months, and Flow Rate Help every 15 months. Most recently, Fluid Pressure Drop was updated on September 17, 2026 and Flow Rate Help on August 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*