# OpeNoise vs AudioMoth

The clearest difference is rating: AudioMoth at 5.0 against OpeNoise's 4.0. AudioMoth also leads on review sentiment (100% vs 86%). On price, ratings volume, update cadence and ads there is nothing between them.

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

AudioMoth holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 86% of OpeNoise's written reviews are positive against 100% of AudioMoth's.

OpeNoise ships an update every 7 months, AudioMoth every 11 months. The most recent releases landed on September 21, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | OpeNoise | AudioMoth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/openoise/id1387499991/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/audiomoth/id1530808973/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 18 MB | 0 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arpa Piemonte](https://appshunter.io/developer/1317255035) | [Open Conservation Technology LTD](https://appshunter.io/developer/1530808975) |

## 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


### AudioMoth

[App page](https://appshunter.io/ios/app/audiomoth/id1530808973)

Synchronize the time and location of your AudioMoth device with an acoustic chime. Ensure your device's firmware is compatible by checking its documentation.

**Highlights:** Acoustic chime synchronization, Set device time, Set device location, Firmware compatibility check

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OpeNoise free?

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

### Is AudioMoth free?

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

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

AudioMoth is rated higher. OpeNoise averages 4.0 out of 5 from 4 ratings, while AudioMoth averages 5.0 from 3 ratings.

### Do OpeNoise or AudioMoth have ads?

Neither OpeNoise nor AudioMoth shows ads.

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

OpeNoise ships an update every 7 months, and AudioMoth every 11 months. Most recently, OpeNoise was updated on September 21, 2026 and AudioMoth on July 5, 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.*