# NoiseLevel vs SPL Meter

The clearest difference is price: SPL Meter at Free against NoiseLevel's $0.99. SPL Meter also leads on rating (4.5 vs 2.6). NoiseLevel's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 5 weeks). On ratings volume, ads and device support there is nothing between them.

SPL Meter is free to download; NoiseLevel costs $0.99 up front. SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. NoiseLevel asks for nothing beyond the download.

SPL Meter holds the better App Store score, 4.5 against 2.6. Both are backed by a comparable volume of ratings — 28 and 11 respectively.

NoiseLevel ships an update fortnightly, SPL Meter every 5 weeks. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NoiseLevel | SPL Meter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.6 (28 ratings)](https://appshunter.io/ios/app/noiselevel/id302830630/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686/reviews)** |
| Number of ratings | **28** | 11 |
| Positive reviews | 56.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 9 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [KBMSoft ApS](https://appshunter.io/developer/288294299) | [金红 李](https://appshunter.io/developer/1781133144) |

## 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


### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686)

This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.

**Highlights:** Real-time decibel measurement, Intuitive gauge display, Noise level explanations, Recording functionality, Track noise variations, Hearing protection guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $9.99 | per year |


## Frequently asked questions

### Is NoiseLevel free?

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

### Is SPL Meter free?

SPL Meter is free to download, with in-app purchases available.

### Which has better reviews, NoiseLevel or SPL Meter?

SPL Meter is rated higher. NoiseLevel averages 2.6 out of 5 from 28 ratings, while SPL Meter averages 4.5 from 11 ratings.

### Do NoiseLevel or SPL Meter have ads?

Neither NoiseLevel nor SPL Meter shows ads.

### Which is updated more often, NoiseLevel or SPL Meter?

NoiseLevel ships an update fortnightly, and SPL Meter every 5 weeks. Most recently, NoiseLevel was updated on October 15, 2026 and SPL Meter on October 17, 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.*