# Volume in Pipe vs All set?

The clearest difference is in-app purchases: Volume in Pipe at none against All set?'s 2. All set?'s advantage is update cadence (every 4 weeks vs every 26 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. All set? sells 2 one-off in-app purchases. Volume in Pipe asks for nothing beyond the download.

Volume in Pipe ships an update every 26 months, All set? every 4 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Volume in Pipe | All set? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/volume-in-pipe/id1582068096/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 326 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [takuya fukumori](https://appshunter.io/developer/1877094000) |

## 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


### All set?

[App page](https://appshunter.io/ios/app/all-set/id6759158687)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ごみ箱ショートカット | $1.99 | one-time |
| 行き先ショートカット | $2.99 | one-time |


## Frequently asked questions

### Is Volume in Pipe free?

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

### Is All set? free?

All set? is free to download, with in-app purchases available.

### Do Volume in Pipe or All set? have ads?

Neither Volume in Pipe nor All set? shows ads.

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

Volume in Pipe ships an update every 26 months, and All set? every 4 weeks. Most recently, Volume in Pipe was updated on October 6, 2026 and All set? on October 16, 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.*