# TracPipe System Guide vs UEi HUB

The clearest difference is rating: TracPipe System Guide at 3.8 against UEi HUB's 1.7. TracPipe System Guide also leads on review sentiment (33% vs 12%). UEi HUB's advantage is update cadence (every 9 days vs every 9 months) and monetization model (free vs ad-supported). On price, ratings volume, 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.

TracPipe System Guide holds the better App Store score, 3.8 against 1.7. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 33% of TracPipe System Guide's written reviews are positive against 12% of UEi HUB's.

TracPipe System Guide ships an update every 9 months, UEi HUB every 9 days. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | TracPipe System Guide | UEi HUB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews)** | [1.7 (11 ratings)](https://appshunter.io/ios/app/uei-hub/id1358221837/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | **33.3% of reviews** | 11.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 9 days** |
| Monetization | Ad-supported | **Free** |
| Size | 33 MB | 106 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) | [Kane Asia Inc.](https://appshunter.io/developer/1542732944) |

## What reviewers say

### TracPipe System Guide

[App page](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333)

This application helps users calculate the correct size of flexible gas piping for installations. It supports various sizing methods and gas types, providing accurate results based on selected parameters. Users can also access updated design guides and installation instructions.

**Highlights:** Flexible gas piping sizing calculator, Supports Longest Run or Branch length methods, Calculates capacity based on gas type, pressure, and pressure drop, Easy-to-use calculator wheel, Access to updated Design Guide and Installation Instructions, Find a Sales Representative feature

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

**In-app purchases:** none


### UEi HUB

[App page](https://appshunter.io/ios/app/uei-hub/id1358221837)

This app connects to specialized testing tools via Bluetooth to display real-time measurements. It calculates and presents key refrigerant, air, and vacuum parameters, allowing users to monitor critical system data and customize their view for efficiency.

**Highlights:** Bluetooth connectivity to HUB test kits, Real-time tool value display, Refrigerant, air, and vacuum parameter calculation, Superheat and Subcooling monitoring, Customizable refrigerant favorites list, Swipe interface for parameter views, Drag and drop connection process

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

**In-app purchases:** none


## Frequently asked questions

### Is TracPipe System Guide free?

TracPipe System Guide is free to download, with no in-app purchases.

### Is UEi HUB free?

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

### Which has better reviews, TracPipe System Guide or UEi HUB?

TracPipe System Guide is rated higher. TracPipe System Guide averages 3.8 out of 5 from 9 ratings, while UEi HUB averages 1.7 from 11 ratings.

### Do TracPipe System Guide or UEi HUB have ads?

Neither TracPipe System Guide nor UEi HUB shows ads.

### Which is updated more often, TracPipe System Guide or UEi HUB?

TracPipe System Guide ships an update every 9 months, and UEi HUB every 9 days. Most recently, TracPipe System Guide was updated on September 14, 2026 and UEi HUB on September 21, 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.*