# Audio Spectrum Analyzer vs Sound Spectrum Analysis

The clearest difference is price: Sound Spectrum Analysis at Free against Audio Spectrum Analyzer's $3.99. Sound Spectrum Analysis also leads on update cadence (every 5 weeks vs every 7 months). Audio Spectrum Analyzer's advantage is in-app purchases (none vs 1) and rating (3.9 vs 3.6). On review sentiment, ratings volume, ads and device support there is nothing between them.

Sound Spectrum Analysis is free to download; Audio Spectrum Analyzer costs $3.99 up front. Sound Spectrum Analysis sells 1 one-off in-app purchase. Audio Spectrum Analyzer asks for nothing beyond the download.

Audio Spectrum Analyzer holds the better App Store score, 3.9 against 3.6. Both are backed by a comparable volume of ratings — 53 and 42 respectively. Written reviews complicate that: 54% of Audio Spectrum Analyzer's written reviews are positive against 60% of Sound Spectrum Analysis's, so the app with the better star average is not the one people write more warmly about.

Audio Spectrum Analyzer ships an update every 7 months, Sound Spectrum Analysis every 5 weeks. The most recent releases landed on November 1, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Audio Spectrum Analyzer | Sound Spectrum Analysis |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.9 (53 ratings)](https://appshunter.io/ios/app/audio-spectrum-analyzer/id373620982/reviews)** | [3.6 (42 ratings)](https://appshunter.io/ios/app/sound-spectrum-analysis/id1434975523/reviews) |
| Number of ratings | **53** | 42 |
| Positive reviews | 54.4% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 5 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Black Cat Systems](https://appshunter.io/developer/301047032) | [Dmitriy Kharutskiy](https://appshunter.io/developer/817385891) |

## What reviewers say

### Audio Spectrum Analyzer

[App page](https://appshunter.io/ios/app/audio-spectrum-analyzer/id373620982)

Transform your iOS device into a powerful audio spectrum analyzer. Visualize frequencies up to 20 kHz with customizable display options including frequency span, FFT size, and logarithmic views. Enhance analysis with filtering, peak hold, and adjustable decay rates.

**Highlights:** Frequency analysis up to 20 kHz, Adjustable frequency span and FFT size, Logarithmic frequency display, Graph fill mode toggle, Up to five frequency markers, Spectrum filtering and averaging, Peak hold with adjustable decay rate

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

**In-app purchases:** none

**What reviewers like**

- 👍 Handy for recording studio
- 👍 Excellent for analyzing noise
- 👍 Intuitive and simple
- 👍 Great for tuning
- 👍 Accurate on iPad mini

**What reviewers complain about**

- 👎 Does not work with newer iPhones
- 👎 Not updated in years
- 👎 Stopped working quickly
- 👎 Sold with false pretenses
- 👎 Extremely slow on iPhone 7

**Reported bugs**

- No way to exit on iPhones without Home button
- Doesn't work with iPhone XR
- Stopped working after about 3 minutes
- Zooming sometimes doesn't work
- Resuming app makes it not display frequency data

**Requested features**

- Running average of spectrums
- Ability to exit on iPhones without Home button
- Ability to reset peak hold with a tap
- Go to 40 kHz
- Expand instructions for filtering window


### 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 Spectrum Analyzer free?

Audio Spectrum Analyzer costs $3.99, 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 Spectrum Analyzer or Sound Spectrum Analysis?

Audio Spectrum Analyzer is rated higher. Audio Spectrum Analyzer averages 3.9 out of 5 from 53 ratings, while Sound Spectrum Analysis averages 3.6 from 42 ratings.

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

Neither Audio Spectrum Analyzer nor Sound Spectrum Analysis shows ads.

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

Audio Spectrum Analyzer ships an update every 7 months, and Sound Spectrum Analysis every 5 weeks. Most recently, Audio Spectrum Analyzer was updated on November 1, 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.*