# Sizing US/CA vs Gas Pipe Sizing Plumb

The clearest difference is price: Sizing US/CA at Free against Gas Pipe Sizing Plumb's $0.99. Sizing US/CA also leads on in-app purchases (none vs 1) and iOS requirement (10.0 vs 13.0). Gas Pipe Sizing Plumb's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 6 weeks). On device support there is nothing between them.

Sizing US/CA is free to download; Gas Pipe Sizing Plumb costs $0.99 up front. Gas Pipe Sizing Plumb sells 1 one-off in-app purchase. Sizing US/CA asks for nothing beyond the download.

Sizing US/CA ships an update every 6 weeks, Gas Pipe Sizing Plumb every 3 weeks. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sizing US/CA | Gas Pipe Sizing Plumb |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.2 (13 ratings)](https://appshunter.io/ios/app/sizing-usca/id1420112805/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 27 MB | 33 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Gastite Products LLC](https://appshunter.io/developer/668653608) | [Rizvan Adzhoian](https://appshunter.io/developer/1891746079) |

## What reviewers say

### 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


### Gas Pipe Sizing Plumb

[App page](https://appshunter.io/ios/app/gas-pipe-sizing-plumb/id6765783516)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Sizing US/CA free?

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

### Is Gas Pipe Sizing Plumb free?

Gas Pipe Sizing Plumb costs $0.99, and also offers in-app purchases.

### Do Sizing US/CA or Gas Pipe Sizing Plumb have ads?

Sizing US/CA shows ads; Gas Pipe Sizing Plumb does not.

### Which is updated more often, Sizing US/CA or Gas Pipe Sizing Plumb?

Sizing US/CA ships an update every 6 weeks, and Gas Pipe Sizing Plumb every 3 weeks. Most recently, Sizing US/CA was updated on October 16, 2026 and Gas Pipe Sizing Plumb on October 9, 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.*