# dB Sound Meter vs OpeNoise

The clearest difference is review sentiment: OpeNoise at 86% against dB Sound Meter's 18%. OpeNoise also leads on rating (4.0 vs 2.0) and ratings volume (4 vs 1). dB Sound Meter's advantage is iOS requirement (9.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

OpeNoise holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 18% of dB Sound Meter's written reviews are positive against 86% of OpeNoise's.

dB Sound Meter ships an update every 4 months, OpeNoise every 7 months. The most recent releases landed on September 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | dB Sound Meter | OpeNoise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/db-sound-meter/id629501834/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/openoise/id1387499991/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 18.2% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 33 MB | 12 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ItCarst](https://appshunter.io/developer/629501837) | [Arpa Piemonte](https://appshunter.io/developer/1317255035) |

## What reviewers say

### dB Sound Meter

[App page](https://appshunter.io/ios/app/db-sound-meter/id629501834)

Measure sound volume with your device's microphone. Offers a simple interface with visual graphics, playback, and detailed analysis of recorded sounds. Includes explanations for decibel levels.

**Highlights:** Measure sound volume, Simple user interface, FFT viewer and frequency meter, Playback recorded sound, Detailed data analysis, Explainable decibel quotes, 0 to 120 dB+ range

**Features:** macOS Compatibility

**In-app purchases:** none


### OpeNoise

[App page](https://appshunter.io/ios/app/openoise/id1387499991)

This application measures real-time sound pressure levels, displaying minimum and maximum values. It offers advanced analysis like third octave and FFT, with options to save data, calibrate, and share measurements with a community. Note: it is not intended for professional use.

**Highlights:** Real-time A-weighted sound pressure level measurement, Minimum and maximum level tracking, Third octave and FFT analysis, Data saving in text file, Calibration functionality, Measurements displayed on a map, Community sharing of calibration and measurements

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

**In-app purchases:** none


## Frequently asked questions

### Is dB Sound Meter free?

dB Sound Meter is free to download, with no in-app purchases.

### Is OpeNoise free?

OpeNoise is free to download, with no in-app purchases.

### Which has better reviews, dB Sound Meter or OpeNoise?

OpeNoise is rated higher. dB Sound Meter averages 2.0 out of 5 from 1 ratings, while OpeNoise averages 4.0 from 4 ratings.

### Do dB Sound Meter or OpeNoise have ads?

Neither dB Sound Meter nor OpeNoise shows ads.

### Which is updated more often, dB Sound Meter or OpeNoise?

dB Sound Meter ships an update every 4 months, and OpeNoise every 7 months. Most recently, dB Sound Meter was updated on September 17, 2026 and OpeNoise on October 13, 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.*