# Sound Spectrum Analysis vs Frequency Generator

The clearest difference is rating: Sound Spectrum Analysis at 3.6 against Frequency Generator's 3.0. Sound Spectrum Analysis also leads on update cadence (every 5 weeks vs every 14 months) and ratings volume (42 vs 2). Frequency Generator's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

Sound Spectrum Analysis holds the better App Store score, 3.6 against 3.0. That said, the two scores are not equally well evidenced: Sound Spectrum Analysis has 42 ratings behind it against 2, so its average is the more settled of the two.

Sound Spectrum Analysis ships an update every 5 weeks, Frequency Generator every 14 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sound Spectrum Analysis | Frequency Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/frequency-generator-tone-a4/id6529535310/reviews) |
| Number of ratings | **42** | 2 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 7 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## 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 Generator

[App page](https://appshunter.io/ios/app/frequency-generator-tone-a4/id6529535310)

This utility app provides a simple and straightforward tuning fork. It allows users to generate any frequency between 20 Hz and 20,000 Hz, limited only by the device's speaker and human hearing.

**Highlights:** Adjustable frequency range (20 Hz - 20,000 Hz), Simple and easy to use interface, Generates audio tones, No complex settings

**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 Frequency Generator free?

Frequency Generator is free to download, with no in-app purchases.

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

Sound Spectrum Analysis is rated higher. Sound Spectrum Analysis averages 3.6 out of 5 from 42 ratings, while Frequency Generator averages 3.0 from 2 ratings.

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

Neither Sound Spectrum Analysis nor Frequency Generator shows ads.

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

Sound Spectrum Analysis ships an update every 5 weeks, and Frequency Generator every 14 months. Most recently, Sound Spectrum Analysis was updated on October 22, 2026 and Frequency Generator 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.*