# Sound Spectrum Analysis vs Frequency Detector Analyzer

The clearest difference is review sentiment: Sound Spectrum Analysis at 60% against Frequency Detector Analyzer's 0%. Frequency Detector Analyzer's advantage is rating (4.3 vs 3.6). 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 Frequency Detector Analyzer sells 2 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Frequency Detector Analyzer holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 42 and 20 respectively. Written reviews complicate that: 60% of Sound Spectrum Analysis's written reviews are positive against 0% of Frequency Detector Analyzer'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, Frequency Detector Analyzer every 2 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Sound Spectrum Analysis | Frequency Detector Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews) | **[4.3 (20 ratings)](https://appshunter.io/ios/app/frequency-detector-analyzer/id6752298079/reviews)** |
| Number of ratings | **42** | 20 |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 65 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## 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 Detector Analyzer

[App page](https://appshunter.io/ios/app/frequency-detector-analyzer/id6752298079)

This application transforms your device into a precise sound analysis tool. It offers real-time frequency detection, visualization, and data logging for musicians, engineers, and curious individuals. Gain clarity and accuracy in understanding the soundscape around you.

**Highlights:** Live frequency tuner, Spectrogram visualization, Automatic logging and CSV export, Customizable logging interval, Elegant and modern design, Reliable performance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frequency Detector Weekly Sub | $8.99 | per 7 days |
| Frequency Detector Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Sound Spectrum Analysis free?

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

### Is Frequency Detector Analyzer free?

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

### Which has better reviews, Sound Spectrum Analysis or Frequency Detector Analyzer?

Frequency Detector Analyzer is rated higher. Sound Spectrum Analysis averages 3.6 out of 5 from 42 ratings, while Frequency Detector Analyzer averages 4.3 from 20 ratings.

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

Neither Sound Spectrum Analysis nor Frequency Detector Analyzer shows ads.

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

Sound Spectrum Analysis ships an update every 5 weeks, and Frequency Detector Analyzer every 2 months. Most recently, Sound Spectrum Analysis was updated on October 22, 2026 and Frequency Detector Analyzer on October 16, 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.*