# NoiseLevel vs Decibel Check

The clearest difference is price: Decibel Check at Free against NoiseLevel's $0.99. NoiseLevel's advantage is rating (2.6 vs 1.5) and in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Decibel Check is free to download; NoiseLevel costs $0.99 up front. Decibel Check sells 2 in-app purchases, starting at $1.99 per month. NoiseLevel asks for nothing beyond the download.

NoiseLevel holds the better App Store score, 2.6 against 1.5. That said, the two scores are not equally well evidenced: NoiseLevel has 28 ratings behind it against 2, so its average is the more settled of the two.

NoiseLevel ships an update fortnightly, Decibel Check every 3 weeks. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | NoiseLevel | Decibel Check |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.6 (28 ratings)](https://appshunter.io/ios/app/noiselevel/id302830630/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/decibel-check/id6503355419/reviews) |
| Number of ratings | **28** | 2 |
| Positive reviews | 56.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 35 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [KBMSoft ApS](https://appshunter.io/developer/288294299) | [Evo Tec Labs @ Pepperbit Online](https://appshunter.io/developer/1665371293) |

## What reviewers say

### NoiseLevel

[App page](https://appshunter.io/ios/app/noiselevel/id302830630)

Measure ambient sound levels in decibels using your device's microphone. Visualize sound intensity with a dynamic balloon that changes size and color, bursting at high levels. Experiment with different sounds and environments for fun and insight.

**Highlights:** Measures sound in decibels (dB), Visualizes sound with a dynamic balloon, Balloon size and color change with sound level, Balloon bursts at high sound levels, Uses device microphone, Screen orientation flips

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

**In-app purchases:** none


### Decibel Check

[App page](https://appshunter.io/ios/app/decibel-check/id6503355419)

Transform your smartphone into a precise sound level meter. Measure minimum, average, and maximum decibel levels with real-time visualizations and recording capabilities for detailed analysis. Gain insights into your auditory environment.

**Highlights:** Real-time Min, Avg, Max sound level measurement, Sound recording for analysis, Intuitive data visualizations, Clear and user-friendly interface, Precise sound measurements

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium MONTHLY | $1.99 | per month |
| Premium YEARLY | $9.99 | per year |


## Frequently asked questions

### Is NoiseLevel free?

NoiseLevel costs $0.99, with no in-app purchases.

### Is Decibel Check free?

Decibel Check is free to download, with in-app purchases available.

### Which has better reviews, NoiseLevel or Decibel Check?

NoiseLevel is rated higher. NoiseLevel averages 2.6 out of 5 from 28 ratings, while Decibel Check averages 1.5 from 2 ratings.

### Do NoiseLevel or Decibel Check have ads?

Neither NoiseLevel nor Decibel Check shows ads.

### Which is updated more often, NoiseLevel or Decibel Check?

NoiseLevel ships an update fortnightly, and Decibel Check every 3 weeks. Most recently, NoiseLevel was updated on September 26, 2026 and Decibel Check on September 27, 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.*