# Power Calculator vs Pipe Flow Liquid Pressure Drop

The clearest difference is rating: Pipe Flow Liquid Pressure Drop at 5.0 against Power Calculator's 4.5. Pipe Flow Liquid Pressure Drop also leads on update cadence (fortnightly vs every 2 months) and ratings volume (12 vs 2). Power Calculator's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Pipe Flow Liquid Pressure Drop sells 1 one-off in-app purchase. Power Calculator asks for nothing beyond the download.

Pipe Flow Liquid Pressure Drop holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Pipe Flow Liquid Pressure Drop has 12 ratings behind it against 2, so its average is the more settled of the two.

Power Calculator ships an update every 2 months, Pipe Flow Liquid Pressure Drop fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Power Calculator | Pipe Flow Liquid Pressure Drop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/power-calculator/id454548791/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-pressure-drop/id1582478584/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 68 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Power Continuity Limited](https://appshunter.io/developer/454548794) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## What reviewers say

### Power Calculator

[App page](https://appshunter.io/ios/app/power-calculator/id454548791)

This app provides a straightforward calculator designed for the electrical industry, offering tools for power and lighting calculations. It helps users determine generator and UPS requirements, convert units, and calculate fuel consumption. Suitable for both professionals and casual users needing electrical calculations.

**Highlights:** KW, kVA, and Amps calculation, Generator requirements calculation (single/three phase), UPS requirements calculation (single/three phase), Lumens and Watts conversion, Generator fuel consumption calculation, Generator power calculation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pipe Flow Liquid Pressure Drop

[App page](https://appshunter.io/ios/app/pipe-flow-liquid-pressure-drop/id1582478584)

This app calculates friction and fitting losses in liquid flow systems using the Darcy-Weisbach equation. It offers extensive databases for fluids, pipes, and fittings, with customizable units and reporting options. Verified against published data, it's designed for engineers needing accurate pressure drop calculations.

**Highlights:** Friction and fitting loss calculations, Darcy-Weisbach equation with Colebrook-White, Integrated databases for fluids, pipes, and fittings, User-definable custom data, Imperial and Metric unit support, Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Pressure Drop | $4.99 | one-time |


## Frequently asked questions

### Is Power Calculator free?

Power Calculator is free to download, with no in-app purchases.

### Is Pipe Flow Liquid Pressure Drop free?

Pipe Flow Liquid Pressure Drop is free to download, with in-app purchases available.

### Which has better reviews, Power Calculator or Pipe Flow Liquid Pressure Drop?

Pipe Flow Liquid Pressure Drop is rated higher. Power Calculator averages 4.5 out of 5 from 2 ratings, while Pipe Flow Liquid Pressure Drop averages 5.0 from 12 ratings.

### Do Power Calculator or Pipe Flow Liquid Pressure Drop have ads?

Neither Power Calculator nor Pipe Flow Liquid Pressure Drop shows ads.

### Which is updated more often, Power Calculator or Pipe Flow Liquid Pressure Drop?

Power Calculator ships an update every 2 months, and Pipe Flow Liquid Pressure Drop fortnightly. Most recently, Power Calculator was updated on November 6, 2026 and Pipe Flow Liquid Pressure Drop on November 3, 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.*