# Gas Pipe Sizing Calculator vs TracPipe System Guide

The clearest difference is price: TracPipe System Guide at Free against Gas Pipe Sizing Calculator's $1.99. TracPipe System Guide also leads on review sentiment (33% vs 13%). Gas Pipe Sizing Calculator's advantage is rating (4.0 vs 3.8) and iOS requirement (12.0 vs 15.1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

TracPipe System Guide is free to download; Gas Pipe Sizing Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gas Pipe Sizing Calculator holds the better App Store score, 4.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews complicate that: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 33% of TracPipe System Guide's, so the app with the better star average is not the one people write more warmly about.

Gas Pipe Sizing Calculator ships an update every 13 months, TracPipe System Guide every 9 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Gas Pipe Sizing Calculator | TracPipe System Guide |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129/reviews)** | [3.8 (9 ratings)](https://appshunter.io/ios/app/tracpipe-system-guide/id996885333/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | 13.3% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 0 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Connor Kelley](https://appshunter.io/developer/596009132) | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) |

## What reviewers say

### Gas Pipe Sizing Calculator

[App page](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129)

This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.

**Highlights:** Calculates minimum gas pipe size, Input BTU load, Input longest run length, Select gas type (LP or Natural), Designed for low pressure (0.5psi)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Gas Pipe Sizing Calculator free?

Gas Pipe Sizing Calculator costs $1.99, with no in-app purchases.

### Is TracPipe System Guide free?

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

### Which has better reviews, Gas Pipe Sizing Calculator or TracPipe System Guide?

Gas Pipe Sizing Calculator is rated higher. Gas Pipe Sizing Calculator averages 4.0 out of 5 from 4 ratings, while TracPipe System Guide averages 3.8 from 9 ratings.

### Do Gas Pipe Sizing Calculator or TracPipe System Guide have ads?

Neither Gas Pipe Sizing Calculator nor TracPipe System Guide shows ads.

### Which is updated more often, Gas Pipe Sizing Calculator or TracPipe System Guide?

Gas Pipe Sizing Calculator ships an update every 13 months, and TracPipe System Guide every 9 months. Most recently, Gas Pipe Sizing Calculator was updated on October 15, 2026 and TracPipe System Guide on October 2, 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.*