# TracPipe System Guide vs Sizing US/CA

The clearest difference is rating: TracPipe System Guide at 3.8 against Sizing US/CA's 3.2. TracPipe System Guide also leads on ads (none vs shown) and review sentiment (33% vs 11%). Sizing US/CA's advantage is update cadence (every 6 weeks vs every 9 months) and iOS requirement (10.0 vs 15.1). On price, ratings volume, in-app purchases and monetization model 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 3.2. Both are backed by a comparable volume of ratings — 9 and 13 respectively. Written reviews point the same way: 33% of TracPipe System Guide's written reviews are positive against 11% of Sizing US/CA's.

TracPipe System Guide ships an update every 9 months, Sizing US/CA every 6 weeks. The most recent releases landed on September 14, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | TracPipe System Guide | Sizing US/CA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews)** | [3.2 (13 ratings)](https://appshunter.io/ios/app/sizing-usca/id1420112805/reviews) |
| Number of ratings | 9 | **13** |
| Positive reviews | **33.3% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 33 MB | 27 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) | [Gastite Products LLC](https://appshunter.io/developer/668653608) |

## 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


### Sizing US/CA

[App page](https://appshunter.io/ios/app/sizing-usca/id1420112805)

This utility app helps installers determine the correct size of flexible gas piping for their projects. It calculates the appropriate pipe size based on gas type, tubing length, supply pressure, and flow capacity. Users can also access installation guides and product information.

**Highlights:** Flexible gas pipe sizing, US and CA location selector, Automatic value adjustment, Certification card access, Installation guide viewer, Product search, Direct contact with developer

**Features:** macOS Compatibility

**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 Sizing US/CA free?

Sizing US/CA is free to download, with no in-app purchases.

### Which has better reviews, TracPipe System Guide or Sizing US/CA?

TracPipe System Guide is rated higher. TracPipe System Guide averages 3.8 out of 5 from 9 ratings, while Sizing US/CA averages 3.2 from 13 ratings.

### Do TracPipe System Guide or Sizing US/CA have ads?

Sizing US/CA shows ads; TracPipe System Guide does not.

### Which is updated more often, TracPipe System Guide or Sizing US/CA?

TracPipe System Guide ships an update every 9 months, and Sizing US/CA every 6 weeks. Most recently, TracPipe System Guide was updated on September 14, 2026 and Sizing US/CA on June 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.*