# SmarterNoise vs Sound Meter

The clearest difference is rating: SmarterNoise at 4.6 against Sound Meter's 4.3. SmarterNoise also leads on review sentiment (75% vs 56%) and ratings volume (117 vs 30). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SmarterNoise sells 2 one-off in-app purchases and Sound Meter sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SmarterNoise holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 117 and 30 respectively. Written reviews point the same way: 75% of SmarterNoise's written reviews are positive against 56% of Sound Meter's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SmarterNoise | Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (117 ratings)](https://appshunter.io/ios/app/smarternoise/id1384299042/reviews)** | [4.3 (30 ratings)](https://appshunter.io/ios/app/sound-meter-decibel-pro/id1603557612/reviews) |
| Number of ratings | **117** | 30 |
| Positive reviews | **75.0% of reviews** | 56.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 39 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Coocent Ltd.](https://appshunter.io/developer/942889525) |

## What reviewers say

### SmarterNoise

[App page](https://appshunter.io/ios/app/smarternoise/id1384299042)

This app measures sound levels, records audio and video, and provides information on noise exposure risks. It features smart icons to help users understand the impact of noise on health and cognitive performance. Save, share, and archive your recordings with this comprehensive tool.

**Highlights:** Sound level measurement, Video and audio recording, Noise exposure risk information, Smart icons for health impact, Archive and sharing of recordings, Calibration, Location and time display

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Long-term measurement | $1.99 | one-time |
| Remove ads | $2.99 | one-time |


### Sound Meter

[App page](https://appshunter.io/ios/app/sound-meter-decibel-pro/id1603557612)

Measure environmental noise levels in decibels (dB) with this tool. It helps identify noise pollution, monitor sound levels, and protect your hearing by setting decibel warnings. Record noise, take photos, and create videos of decibel readings.

**Highlights:** Measure environmental noise in decibels (dB), Evaluate average and maximum decibel values, Display decibel levels in gauge and graph, Record sound levels with photos and videos, Set decibel warnings for hearing protection, Calibrate for accuracy, Multiple themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound meter premium - monthly | $1.99 | per month |
| Sound meter premium - yearly | $9.99 | per year |
| Sound meter premium- permanent | $12.99 | one-time |


## Frequently asked questions

### Is SmarterNoise free?

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

### Is Sound Meter free?

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

### Which has better reviews, SmarterNoise or Sound Meter?

SmarterNoise is rated higher. SmarterNoise averages 4.6 out of 5 from 117 ratings, while Sound Meter averages 4.3 from 30 ratings.

### Do SmarterNoise or Sound Meter have ads?

Both SmarterNoise and Sound Meter show ads.

### Which is updated more often, SmarterNoise or Sound Meter?

SmarterNoise ships an update every 6 weeks, and Sound Meter every 6 weeks. Most recently, SmarterNoise was updated on October 24, 2026 and Sound Meter on October 22, 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.*