# Pipe Flow Liquid Pressure Drop vs Aisome

The clearest difference is rating: Pipe Flow Liquid Pressure Drop at 5.0 against Aisome's 3.5. Pipe Flow Liquid Pressure Drop also leads on ratings volume (12 vs 2) and iOS requirement (11.0 vs 13.0). Aisome's advantage is in-app purchases (none vs 1) and update cadence (weekly vs fortnightly). 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. Aisome asks for nothing beyond the download.

Pipe Flow Liquid Pressure Drop holds the better App Store score, 5.0 against 3.5. 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.

Pipe Flow Liquid Pressure Drop ships an update fortnightly, Aisome weekly. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pipe Flow Liquid Pressure Drop | Aisome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-pressure-drop/id1582478584/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/aisome/id1636182236/reviews) |
| Number of ratings | **12** | 2 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 68 MB | 11 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pipe Flow Software](https://appshunter.io/developer/1193064957) | [Richard Schuhmacher](https://appshunter.io/developer/1509756751) |

## What reviewers say

### 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 |


### Aisome

[App page](https://appshunter.io/ios/app/aisome/id1636182236)

Create various isometric drawings with ease. This application offers a straightforward tool for generating unique isometric art.

**Highlights:** Create isometric drawings, Easy to use, Generate unique art

**In-app purchases:** none


## Frequently asked questions

### Is Pipe Flow Liquid Pressure Drop free?

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

### Is Aisome free?

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

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

Pipe Flow Liquid Pressure Drop is rated higher. Pipe Flow Liquid Pressure Drop averages 5.0 out of 5 from 12 ratings, while Aisome averages 3.5 from 2 ratings.

### Do Pipe Flow Liquid Pressure Drop or Aisome have ads?

Neither Pipe Flow Liquid Pressure Drop nor Aisome shows ads.

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

Pipe Flow Liquid Pressure Drop ships an update fortnightly, and Aisome weekly. Most recently, Pipe Flow Liquid Pressure Drop was updated on November 9, 2026 and Aisome 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.*