# Pipe Flow Gas Pipe Diameter vs Aisome

The clearest difference is rating: Pipe Flow Gas Pipe Diameter at 4.8 against Aisome's 3.5. Pipe Flow Gas Pipe Diameter also leads on 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, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Pipe Flow Gas Pipe Diameter sells 1 one-off in-app purchase. Aisome asks for nothing beyond the download.

Pipe Flow Gas Pipe Diameter holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

Pipe Flow Gas Pipe Diameter ships an update fortnightly, Aisome weekly. The most recent releases landed on October 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Pipe Flow Gas Pipe Diameter | Aisome |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/pipe-flow-gas-pipe-diameter/id1582795941/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/aisome/id1636182236/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 67 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 Gas Pipe Diameter

[App page](https://appshunter.io/ios/app/pipe-flow-gas-pipe-diameter/id1582795941)

This utility app calculates the minimum internal pipe diameter for gas flow based on flow rate and pressure loss. It supports various calculation equations and offers comprehensive results with customizable units and databases for materials, fluids, and fittings.

**Highlights:** Calculates minimum internal pipe diameter, Supports multiple flow equations (AGA, Weymouth, etc.), Handles gas density changes with Ideal Gas Law, Includes databases for gases, pipe materials, and fittings, User-definable custom data, Imperial and Metric unit support, Generates Excel and PDF reports

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Gas Pipe Diameter | $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 Gas Pipe Diameter free?

Pipe Flow Gas Pipe Diameter 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 Gas Pipe Diameter or Aisome?

Pipe Flow Gas Pipe Diameter is rated higher. Pipe Flow Gas Pipe Diameter averages 4.8 out of 5 from 5 ratings, while Aisome averages 3.5 from 2 ratings.

### Do Pipe Flow Gas Pipe Diameter or Aisome have ads?

Neither Pipe Flow Gas Pipe Diameter nor Aisome shows ads.

### Which is updated more often, Pipe Flow Gas Pipe Diameter or Aisome?

Pipe Flow Gas Pipe Diameter ships an update fortnightly, and Aisome weekly. Most recently, Pipe Flow Gas Pipe Diameter was updated on October 24, 2026 and Aisome on October 2, 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.*