# Sound Spectrum Analysis vs SmarterNoise Pro

The clearest difference is rating: SmarterNoise Pro at 4.3 against Sound Spectrum Analysis's 3.6. SmarterNoise Pro also leads on iOS requirement (12.0 vs 15.6). Sound Spectrum Analysis's advantage is review sentiment (60% vs 29%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Sound Spectrum Analysis sells 1 one-off in-app purchase and SmarterNoise Pro sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SmarterNoise Pro holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 42 and 33 respectively. Written reviews complicate that: 60% of Sound Spectrum Analysis's written reviews are positive against 29% of SmarterNoise Pro's, so the app with the better star average is not the one people write more warmly about.

Sound Spectrum Analysis ships an update every 5 weeks, SmarterNoise Pro monthly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sound Spectrum Analysis | SmarterNoise Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews) | **[4.3 (33 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews)** |
| Number of ratings | **42** | 33 |
| Positive reviews | **60.0% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 24 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Johan Rogard](https://appshunter.io/developer/1384299041) |

## What reviewers say

### Sound Spectrum Analysis

[App page](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523)

Analyze sound spectrums in real-time using your device's microphone. This tool offers detailed frequency and amplitude scales, various window functions, and octave band analysis. It can also function as a noise level meter and allows for data export and saving of measurements.

**Highlights:** Real-time sound spectrum analysis, Fast Fourier Transform (FFT) with adjustable size, Linear and logarithmic frequency/amplitude scales, Octave band analysis (1/1, 1/3, 1/6, 1/12), Multiple window functions, A- and C-Weightings, Sound level meter (dB SPL)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


### 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 |


## Frequently asked questions

### Is Sound Spectrum Analysis free?

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

### Is SmarterNoise Pro free?

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

### Which has better reviews, Sound Spectrum Analysis or SmarterNoise Pro?

SmarterNoise Pro is rated higher. Sound Spectrum Analysis averages 3.6 out of 5 from 42 ratings, while SmarterNoise Pro averages 4.3 from 33 ratings.

### Do Sound Spectrum Analysis or SmarterNoise Pro have ads?

Neither Sound Spectrum Analysis nor SmarterNoise Pro shows ads.

### Which is updated more often, Sound Spectrum Analysis or SmarterNoise Pro?

Sound Spectrum Analysis ships an update every 5 weeks, and SmarterNoise Pro monthly. Most recently, Sound Spectrum Analysis was updated on October 22, 2026 and SmarterNoise Pro on October 24, 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.*