# SmarterNoise vs Noise Guru

The clearest difference is in-app purchases: Noise Guru at none against SmarterNoise's 2. Noise Guru also leads on ads (none vs shown) and review sentiment (88% vs 75%). SmarterNoise's advantage is iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SmarterNoise sells 2 one-off in-app purchases. Noise Guru asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for SmarterNoise against 4.6 for Noise Guru. Both are backed by a comparable volume of ratings — 115 and 299 respectively. Written reviews are what separate them: 75% of SmarterNoise's written reviews are positive against 88% of Noise Guru's.

SmarterNoise ships an update every 6 weeks, Noise Guru monthly. The most recent releases landed on August 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | SmarterNoise | Noise Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (115 ratings)](https://appshunter.io/ios/app/smarternoise/id1384299042/reviews) | **[4.6 (299 ratings)](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813/reviews)** |
| Number of ratings | 115 | **299** |
| Positive reviews | 75.0% of reviews | **88.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 15 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Andrei Serykh](https://appshunter.io/developer/1626886894) |

## 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 |


### Noise Guru

[App page](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813)

Measure sound levels with precision to understand your environment and protect your hearing. Identify loud noises, monitor noise pollution, and find quiet spaces for recording. Features include a decibel dosimeter, background noise measurement, and geo-tagged recordings.

**Highlights:** Precise sound level metering (SPL), DB Dosimeter for noise exposure tracking, Background noise measurement, Noise pollution monitoring, Geo-tagged noise recordings, Unlimited recording duration

**In-app purchases:** none

**What reviewers like**

- 👍 Effective tool
- 👍 Clean interface
- 👍 Allows measuring loudness
- 👍 Visually appealing and easy to use
- 👍 Efficient and effective

**What reviewers complain about**

- 🐛 Accuracy issues compared to other apps
- 🔋 Can't play audio while using the app

**Reported bugs**

- Forced to leave a review to use the app
- Can't delete max values

**Requested features**

- Add frequency meter
- Add option to reset max/min values


## Frequently asked questions

### Is SmarterNoise free?

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

### Is Noise Guru free?

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

### Which has better reviews, SmarterNoise or Noise Guru?

Noise Guru is rated higher. SmarterNoise averages 4.6 out of 5 from 115 ratings, while Noise Guru averages 4.6 from 299 ratings.

### Do SmarterNoise or Noise Guru have ads?

SmarterNoise shows ads; Noise Guru does not.

### Which is updated more often, SmarterNoise or Noise Guru?

SmarterNoise ships an update every 6 weeks, and Noise Guru monthly. Most recently, SmarterNoise was updated on August 11, 2026 and Noise Guru on September 10, 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.*