# SmarterNoise Pro vs Noise Guru

The clearest difference is review sentiment: Noise Guru at 88% against SmarterNoise Pro's 29%. Noise Guru also leads on in-app purchases (none vs 4) and rating (4.6 vs 4.3). SmarterNoise Pro's advantage is iOS requirement (12.0 vs 14.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SmarterNoise Pro sells 4 one-off in-app purchases. Noise Guru asks for nothing beyond the download.

Noise Guru holds the better App Store score, 4.6 against 4.3. That said, the two scores are not equally well evidenced: Noise Guru has 360 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 29% of SmarterNoise Pro's written reviews are positive against 88% of Noise Guru's.

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

## The numbers

| Metric | SmarterNoise Pro | Noise Guru |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (33 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews) | **[4.6 (360 ratings)](https://appshunter.io/ios/app/noise-guru-decibel-meter/id6444836813/reviews)** |
| Number of ratings | 33 | **360** |
| Positive reviews | 28.6% of reviews | **88.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 24 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 Pro

[App page](https://appshunter.io/ios/app/smarternoise-pro/id1466745030)

This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.

**Highlights:** Sound level measurement in video/audio modes, Frequency spectrum display, Export measurement data (CSV), Sound level activated audio recording, Calibration tool, Full HD video recording (paid)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera upgrade | $0.99 | one-time |
| Frequency spectrum indicator | $1.99 | one-time |
| Video and audio recording | $1.99 | one-time |
| Spectrogram display | $1.99 | 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 Pro free?

SmarterNoise Pro 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 Pro or Noise Guru?

Noise Guru is rated higher. SmarterNoise Pro averages 4.3 out of 5 from 33 ratings, while Noise Guru averages 4.6 from 360 ratings.

### Do SmarterNoise Pro or Noise Guru have ads?

Neither SmarterNoise Pro nor Noise Guru shows ads.

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

SmarterNoise Pro ships an update monthly, and Noise Guru monthly. Most recently, SmarterNoise Pro was updated on October 24, 2026 and Noise Guru 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.*