# Volume in Pipe vs Volume Converter

The clearest difference is in-app purchases: Volume in Pipe at none against Volume Converter's 2. Volume in Pipe also leads on ads (none vs shown). Volume Converter's advantage is update cadence (every 10 months vs every 26 months) and device support (3 vs 1). On price, rating, ratings volume and iOS requirement there is nothing between them.

Both are free to download. Volume Converter sells 2 in-app purchases, starting at $4.99 per month. Volume in Pipe asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Volume in Pipe against 5.0 for Volume Converter. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Volume in Pipe ships an update every 26 months, Volume Converter every 10 months. The most recent releases landed on October 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Volume in Pipe | Volume Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/volume-in-pipe/id1582068096/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 10 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 29 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Volume in Pipe

[App page](https://appshunter.io/ios/app/volume-in-pipe/id1582068096)

Quickly estimate the gas volume within pipes, launchers, or vessels. Input operating conditions and pipe size for an approximate volume calculation. This tool is designed for rapid field estimates.

**Highlights:** Estimate gas volume, Input operating conditions, Select pipe size, Quick field estimates, Supports iPhone

**Features:** macOS Compatibility

**In-app purchases:** none


### Volume Converter

[App page](https://appshunter.io/ios/app/volume-converter-capacon/id6743525867)

This versatile tool converts volume and capacity units across many systems, including metric, US, UK, and traditional Japanese measurements. Its simple, intuitive interface provides instant results, making it useful for professionals and students in fields like engineering, cooking, and architecture. The app functions offline, ensuring accessibility anywhere.

**Highlights:** Converts volume and capacity units, Supports metric, US, UK, and Japanese units, Instant conversion results, Simple and intuitive interface, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is Volume in Pipe free?

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

### Is Volume Converter free?

Volume Converter is free to download, with in-app purchases available.

### Which has better reviews, Volume in Pipe or Volume Converter?

Volume in Pipe and Volume Converter are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Volume in Pipe or Volume Converter have ads?

Volume Converter shows ads; Volume in Pipe does not.

### Which is updated more often, Volume in Pipe or Volume Converter?

Volume in Pipe ships an update every 26 months, and Volume Converter every 10 months. Most recently, Volume in Pipe was updated on October 6, 2026 and Volume Converter on October 28, 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.*