# YZ Connect vs Volume in Pipe

The clearest difference is update cadence: YZ Connect at monthly against Volume in Pipe's every 26 months. YZ Connect also leads on ratings volume (4 vs 1) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for YZ Connect against 5.0 for Volume in Pipe. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

YZ Connect ships an update monthly, Volume in Pipe every 26 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | YZ Connect | Volume in Pipe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/yz-connect/id1570639333/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/volume-in-pipe/id1582068096/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 26 months |
| Monetization | Free | Free |
| Size | 8 MB | 11 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AMI Global](https://appshunter.io/developer/1290651515) | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) |

## What reviewers say

### YZ Connect

[App page](https://appshunter.io/ios/app/yz-connect/id1570639333)

Monitor YZ systems remotely and gain real-time insights into their performance and operational readiness. Access digital data for testing, troubleshooting, and predictive analytics.

**Highlights:** Remote system monitoring, Real-time performance insights, Operational readiness checks, Digital data access, Troubleshooting support, Predictive analytics

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is YZ Connect free?

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

### Is Volume in Pipe free?

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

### Which has better reviews, YZ Connect or Volume in Pipe?

YZ Connect and Volume in Pipe are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do YZ Connect or Volume in Pipe have ads?

Neither YZ Connect nor Volume in Pipe shows ads.

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

YZ Connect ships an update monthly, and Volume in Pipe every 26 months. Most recently, YZ Connect was updated on November 3, 2026 and Volume in Pipe 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.*