# Gas Checker vs TracPipe UK Sizing & Reference

The clearest difference is review sentiment: Gas Checker at 61% against TracPipe UK Sizing & Reference's 0%. Gas Checker also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Gas Checker ships an update every 3 weeks, TracPipe UK Sizing & Reference every 19 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Gas Checker | TracPipe UK Sizing & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gas-checker/id523576969/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **61.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 19 months |
| Monetization | **Free** | Ad-supported |
| Size | 234 MB | 4 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GasSoft limited](https://appshunter.io/developer/523576972) | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) |

## What reviewers say

### Gas Checker

[App page](https://appshunter.io/ios/app/gas-checker/id523576969)

Streamline your gas and heating business with digital reporting and invoicing. Automate customer reminders, create PDF reports, and integrate with accounting software. Eliminate paper forms and manage all your job documentation efficiently.

**Highlights:** Create PDF reports (certificates, invoices, quotes), Automated customer reminders, Digital job sheets, Quickbooks/Xero integration, Cloud data sync, Eliminate paper forms

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Makes life easier
- 👍 Great for gas engineers
- 👍 Saves time and paper
- 👍 Good value

**What reviewers complain about**

- 🐛 Software difficulties
- 🐛 Bugs here and there
- 🐛 Latest bug: cannot open on iPad
- 🐛 Contradictory tech advice
- 🐛 App crashes instead of opening

**Reported bugs**

- Forgotten login details lock out users
- Cannot open App on iPad with iOS 10.3
- App crashes instead of opening
- App crashes again after connecting to internet
- Cannot get past 'add a profile picture' screen

**Requested features**

- New commercial forms
- Stock control bolt-on
- Improve breakdown repair paperwork length


### TracPipe UK Sizing & Reference

[App page](https://appshunter.io/ios/app/tracpipe-uk-sizing-and-reference/id1075847160)

Calculate the correct size of flexible gas piping for your project. Select gas type, pressure, and pipe length to determine capacity. Access the latest installation specifications and FAQs.

**Highlights:** Flexible gas piping sizing calculator, Capacity calculation based on gas type, pressure, and length, Access to TracPipe® Design and Installation Specification, Frequently asked questions section, Direct contact with TracPipe®, Automatically updated specifications via Wi-Fi

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gas Checker free?

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

### Is TracPipe UK Sizing & Reference free?

TracPipe UK Sizing & Reference is free to download, with no in-app purchases.

### Do Gas Checker or TracPipe UK Sizing & Reference have ads?

TracPipe UK Sizing & Reference shows ads; Gas Checker does not.

### Which is updated more often, Gas Checker or TracPipe UK Sizing & Reference?

Gas Checker ships an update every 3 weeks, and TracPipe UK Sizing & Reference every 19 months. Most recently, Gas Checker was updated on October 24, 2026 and TracPipe UK Sizing & Reference on October 10, 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.*