# i Sound Level Meter vs BoxMaster

The clearest difference is price: i Sound Level Meter at Free against BoxMaster's $2.99. i Sound Level Meter also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). BoxMaster's advantage is ads (none vs shown). On update cadence and in-app purchases there is nothing between them.

i Sound Level Meter is free to download; BoxMaster costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

i Sound Level Meter ships an update every 2 months, BoxMaster every 4 weeks. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | i Sound Level Meter | BoxMaster |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/i-sound-level-meter/id912170360/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 3 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Ali Hasan](https://appshunter.io/developer/1708569776) |

## 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


### BoxMaster

[App page](https://appshunter.io/ios/app/boxmaster/id6471082718)

**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 BoxMaster free?

BoxMaster costs $2.99, with no in-app purchases.

### Do i Sound Level Meter or BoxMaster have ads?

i Sound Level Meter shows ads; BoxMaster does not.

### Which is updated more often, i Sound Level Meter or BoxMaster?

i Sound Level Meter ships an update every 2 months, and BoxMaster every 4 weeks. Most recently, i Sound Level Meter was updated on October 22, 2026 and BoxMaster on October 19, 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.*