# Sound Spectrum Analysis vs Permissions Tester

The clearest difference is in-app purchases: Permissions Tester at none against Sound Spectrum Analysis's 1. Sound Spectrum Analysis's advantage is iOS requirement (15.6 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Sound Spectrum Analysis sells 1 one-off in-app purchase. Permissions Tester asks for nothing beyond the download.

## The numbers

| Metric | Sound Spectrum Analysis | Permissions Tester |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 0 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Dalton Ross](https://appshunter.io/developer/6791785623) |

## 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 |


### Permissions Tester

[App page](https://appshunter.io/ios/app/permissions-tester/id6791785621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound Spectrum Analysis free?

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

### Is Permissions Tester free?

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

### Do Sound Spectrum Analysis or Permissions Tester have ads?

Neither Sound Spectrum Analysis nor Permissions Tester shows ads.

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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.*