# Sound Spectrum Analysis vs Frequency Analyzer

The clearest difference is iOS requirement: Sound Spectrum Analysis at 15.6 against Frequency Analyzer's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Sound Spectrum Analysis sells 1 one-off in-app purchase and Frequency Analyzer sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Sound Spectrum Analysis ships an update every 5 weeks, Frequency Analyzer monthly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sound Spectrum Analysis | Frequency Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [RAMAZAN USEN](https://appshunter.io/developer/1783434185) |

## 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 |


### Frequency Analyzer

[App page](https://appshunter.io/ios/app/frequency-analyzer-spectralab/id6762404295)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectraLab Pro Monthly | $4.99 | per month |
| SpectraLab Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Sound Spectrum Analysis free?

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

### Is Frequency Analyzer free?

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

### Do Sound Spectrum Analysis or Frequency Analyzer have ads?

Neither Sound Spectrum Analysis nor Frequency Analyzer shows ads.

### Which is updated more often, Sound Spectrum Analysis or Frequency Analyzer?

Sound Spectrum Analysis ships an update every 5 weeks, and Frequency Analyzer monthly. Most recently, Sound Spectrum Analysis was updated on November 4, 2026 and Frequency Analyzer on October 31, 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.*