# Gas Pipe Sizing Calculator vs Code Snap

The clearest difference is review sentiment: Code Snap at 87% against Gas Pipe Sizing Calculator's 13%. Code Snap also leads on price (Free vs $1.99) and rating (4.7 vs 4.0). Gas Pipe Sizing Calculator's advantage is in-app purchases (none vs 14) and iOS requirement (12.0 vs 18.0). On ads and device support there is nothing between them.

Code Snap is free to download; Gas Pipe Sizing Calculator costs $1.99 up front. Code Snap sells 12 in-app purchases, starting at $0.99 per month. Gas Pipe Sizing Calculator asks for nothing beyond the download.

Code Snap holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Code Snap has 231 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 13% of Gas Pipe Sizing Calculator's written reviews are positive against 87% of Code Snap's.

Gas Pipe Sizing Calculator ships an update every 13 months, Code Snap every 2 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Gas Pipe Sizing Calculator | Code Snap |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/gas-pipe-sizing-calculator/id596009129/reviews) | **[4.7 (231 ratings)](https://appshunter.io/ios/app/code-snap-upc-and-ipc-pro/id704968016/reviews)** |
| Number of ratings | 4 | **231** |
| Positive reviews | 13.3% of reviews | **86.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | **Paid** | Subscription |
| Size | 0 MB | 77 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Connor Kelley](https://appshunter.io/developer/596009132) | [Magnitude LLC](https://appshunter.io/developer/703754875) |

## 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


### Code Snap

[App page](https://appshunter.io/ios/app/code-snap-upc-and-ipc-pro/id704968016)

Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.

**Highlights:** UPC & IPC code tables, Water line sizing calculator, DWV & H2O fitting take-offs, Interactive results, Color-coded data, Field-optimized interface, Share code and take-off values

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $0.99 | per month |
| Monthly Access | $2.99 | per month |
| Main Line Sizing | $8.99 | per year |
| Monthly Access | $9.99 | per month |
| Main Line Sizing | $9.99 | per year |
| UPC / IPC Tables | $14.99 | per year |
| Monthly Access | $14.99 | per month |
| Fitting Take Offs | $14.99 | per year |
| UPC / IPC Tables | $19.99 | per year |
| Fitting Take Offs | $19.99 | per year |
| All Plumbing Tools | $29.99 | per year |
| All Plumbing Tools | $39.99 | per year |


## Frequently asked questions

### Is Gas Pipe Sizing Calculator free?

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

### Is Code Snap free?

Code Snap is free to download, with in-app purchases available.

### Which has better reviews, Gas Pipe Sizing Calculator or Code Snap?

Code Snap is rated higher. Gas Pipe Sizing Calculator averages 4.0 out of 5 from 4 ratings, while Code Snap averages 4.7 from 231 ratings.

### Do Gas Pipe Sizing Calculator or Code Snap have ads?

Neither Gas Pipe Sizing Calculator nor Code Snap shows ads.

### Which is updated more often, Gas Pipe Sizing Calculator or Code Snap?

Gas Pipe Sizing Calculator ships an update every 13 months, and Code Snap every 2 months. Most recently, Gas Pipe Sizing Calculator was updated on October 15, 2026 and Code Snap 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.*