# i Sound Level Meter vs TracPipe UK Sizing & Reference

The clearest difference is update cadence: i Sound Level Meter at every 2 months against TracPipe UK Sizing & Reference's every 19 months. i Sound Level Meter also leads on review sentiment (22% vs 0%). TracPipe UK Sizing & Reference's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

i Sound Level Meter ships an update every 2 months, TracPipe UK Sizing & Reference every 19 months. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | i Sound Level Meter | TracPipe UK Sizing & Reference |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/i-sound-level-meter/id912170360/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | **21.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 7 MB | 4 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Omega Flex, Inc.](https://appshunter.io/developer/996885332) |

## What reviewers say

### i Sound Level Meter

[App page](https://appshunter.io/ios/app/i-sound-level-meter/id912170360)

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

**Highlights:** Measures ambient noise levels, Tracks maximum noise values, Tracks minimum noise values, Displays noise measurements

**Features:** Vision Pro support

**In-app purchases:** none


### 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 i Sound Level Meter free?

i Sound Level Meter 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 i Sound Level Meter or TracPipe UK Sizing & Reference have ads?

Both i Sound Level Meter and TracPipe UK Sizing & Reference show ads.

### Which is updated more often, i Sound Level Meter or TracPipe UK Sizing & Reference?

i Sound Level Meter ships an update every 2 months, and TracPipe UK Sizing & Reference every 19 months. Most recently, i Sound Level Meter was updated on October 29, 2026 and TracPipe UK Sizing & Reference on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*