# Audio Frequency Analyzer vs Sound Spectrum Analysis

The clearest difference is price: Sound Spectrum Analysis at Free against Audio Frequency Analyzer's $9.99. Sound Spectrum Analysis also leads on update cadence (every 5 weeks vs every 8 months) and ratings volume (42 vs 3). Audio Frequency Analyzer's advantage is in-app purchases (none vs 1). On rating, review sentiment, ads and device support there is nothing between them.

Sound Spectrum Analysis is free to download; Audio Frequency Analyzer costs $9.99 up front. Sound Spectrum Analysis sells 1 one-off in-app purchase. Audio Frequency Analyzer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.7 for Audio Frequency Analyzer against 3.6 for Sound Spectrum Analysis. That said, the two scores are not equally well evidenced: Sound Spectrum Analysis has 42 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 60% and 60% positive.

Audio Frequency Analyzer ships an update every 8 months, Sound Spectrum Analysis every 5 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Audio Frequency Analyzer | Sound Spectrum Analysis |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742/reviews)** | [3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews) |
| Number of ratings | 3 | **42** |
| Positive reviews | 60.0% of reviews | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 5 MB |
| Requires iOS | 26.2 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### Audio Frequency Analyzer

[App page](https://appshunter.io/ios/app/audio-frequency-analyzer/id684641742)

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

**Highlights:** Real-time frequency spectrum response measurement (1/3 octave, 30 bands), FFT Analyzer, Observation frequency range: 20 - 23000 Hz, Calibration function for high accuracy, Supports built-in and external microphones, Snapshot and averaging functions

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Audio Frequency Analyzer free?

Audio Frequency Analyzer costs $9.99, with no in-app purchases.

### Is Sound Spectrum Analysis free?

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

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

Audio Frequency Analyzer is rated higher. Audio Frequency Analyzer averages 3.7 out of 5 from 3 ratings, while Sound Spectrum Analysis averages 3.6 from 42 ratings.

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

Neither Audio Frequency Analyzer nor Sound Spectrum Analysis shows ads.

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

Audio Frequency Analyzer ships an update every 8 months, and Sound Spectrum Analysis every 5 weeks. Most recently, Audio Frequency Analyzer was updated on October 26, 2026 and Sound Spectrum Analysis on October 22, 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.*