# TracPipe System Guide vs NESM Tools

The clearest difference is update cadence: NESM Tools at every 3 weeks against TracPipe System Guide's every 9 months. 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.

TracPipe System Guide ships an update every 9 months, NESM Tools every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | TracPipe System Guide | NESM Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 33 MB | 50 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) | [Craig Danby](https://appshunter.io/developer/6795641237) |

## 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


### NESM Tools

[App page](https://appshunter.io/ios/app/nesm-tools/id6795933641)

**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 NESM Tools free?

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

### Do TracPipe System Guide or NESM Tools have ads?

Neither TracPipe System Guide nor NESM Tools shows ads.

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

TracPipe System Guide ships an update every 9 months, and NESM Tools every 3 weeks. Most recently, TracPipe System Guide was updated on October 24, 2026 and NESM Tools on October 24, 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.*