# TracPipe System Guide vs CartridgeID

The clearest difference is review sentiment: CartridgeID at 100% against TracPipe System Guide's 33%. CartridgeID also leads on rating (5.0 vs 3.8) and update cadence (every 2 weeks vs every 9 months). TracPipe System Guide's advantage is ratings volume (9 vs 2). On price, ads, in-app purchases and device support there is nothing between them.

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

CartridgeID holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 9 and 2 respectively. Written reviews point the same way: 33% of TracPipe System Guide's written reviews are positive against 100% of CartridgeID's.

TracPipe System Guide ships an update every 9 months, CartridgeID every 2 weeks. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TracPipe System Guide | CartridgeID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cartridgeid/id6763688444/reviews)** |
| Number of ratings | **9** | 2 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 33 MB | 189 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) | [CODY JAMES ANCHONDO](https://appshunter.io/developer/1895439031) |

## 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


### CartridgeID

[App page](https://appshunter.io/ios/app/cartridgeid/id6763688444)

Identify unknown plumbing cartridges by photo or search, reorder common parts, and place bulk orders for truck stocking. Specialists confirm matches and source parts, shipping them directly to your jobsite.

**Highlights:** Photo identification of unknown cartridges, Search and reorder known parts, Bulk orders for truck stocking, Direct-to-jobsite shipping, Support for 40+ brands, Real plumbing specialist identification

**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 CartridgeID free?

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

### Which has better reviews, TracPipe System Guide or CartridgeID?

CartridgeID is rated higher. TracPipe System Guide averages 3.8 out of 5 from 9 ratings, while CartridgeID averages 5.0 from 2 ratings.

### Do TracPipe System Guide or CartridgeID have ads?

Neither TracPipe System Guide nor CartridgeID shows ads.

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

TracPipe System Guide ships an update every 9 months, and CartridgeID every 2 weeks. Most recently, TracPipe System Guide was updated on October 2, 2026 and CartridgeID on October 14, 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.*