# OpeNoise vs dBMeter

The clearest difference is rating: OpeNoise at 4.0 against dBMeter's 3.4. OpeNoise also leads on ads (none vs shown) and review sentiment (86% vs 67%). dBMeter's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (12.0 vs 14.0). On price, ratings volume, in-app purchases and device support 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 3.4. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 86% of OpeNoise's written reviews are positive against 67% of dBMeter's.

OpeNoise ships an update every 7 months, dBMeter every 3 months. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | OpeNoise | dBMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/openoise/id1387499991/reviews)** | [3.4 (7 ratings)](https://appshunter.io/ios/app/dbmeter-decibelmeter/id1466056567/reviews) |
| Number of ratings | 4 | **7** |
| Positive reviews | **85.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Free** | Ad-supported |
| Size | 18 MB | 19 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arpa Piemonte](https://appshunter.io/developer/1317255035) | [Ramon Palacios Saez](https://appshunter.io/developer/1177436233) |

## What reviewers say

### 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


### dBMeter

[App page](https://appshunter.io/ios/app/dbmeter-decibelmeter/id1466056567)

This application precisely measures sound intensity in real time using your device's microphone. It displays minimum, maximum, and average decibel levels, offers a noise-time graph, and allows for microphone calibration. The tool is ideal for monitoring ambient noise in various environments and exporting data for analysis.

**Highlights:** Real-time decibel measurement, Min, max, and average values, Noise-time graph, Microphone calibration, Background operation, CSV data export, Timer option

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

**In-app purchases:** none


## Frequently asked questions

### Is OpeNoise free?

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

### Is dBMeter free?

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

### Which has better reviews, OpeNoise or dBMeter?

OpeNoise is rated higher. OpeNoise averages 4.0 out of 5 from 4 ratings, while dBMeter averages 3.4 from 7 ratings.

### Do OpeNoise or dBMeter have ads?

dBMeter shows ads; OpeNoise does not.

### Which is updated more often, OpeNoise or dBMeter?

OpeNoise ships an update every 7 months, and dBMeter every 3 months. Most recently, OpeNoise was updated on September 26, 2026 and dBMeter on September 16, 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.*