# Audio SA vs Audio Analyst

The clearest difference is ads: Audio Analyst at none against Audio SA's shown. Audio Analyst also leads on update cadence (weekly vs every 6 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Audio SA sells 1 one-off in-app purchase and Audio Analyst sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Audio SA ships an update every 6 months, Audio Analyst weekly. Both last shipped on August 31, 2026.

## The numbers

| Metric | Audio SA | Audio Analyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-analyst/id6478918400/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 41 MB |
| Requires iOS | 15.6 | **15** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### Audio SA

[App page](https://appshunter.io/ios/app/audio-sa/id6444715596)

This app analyzes audio waveforms to create visual voiceprints as TFFT images. It offers extensive customization for FFT analysis, including adjustable ranges, sizes, scales, and window functions. A simple waveform generator is also included for learning purposes.

**Highlights:** TFFT voiceprint image generation, High-resolution image export, Customizable FFT analysis settings, Adjustable audio waveform analysis range, Simple waveform generator (sine, square, noise), Multiple FFT sizes and window functions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads. | $3.99 | one-time |


### Audio Analyst

[App page](https://appshunter.io/ios/app/audio-analyst/id6478918400)

This professional audio analysis software offers a comprehensive suite of measurement tools. It supports spectrum analysis, phase spectrum, audio oscilloscope, and spectrograms, along with recording, playback, and peak measurement functionalities.

**Highlights:** Spectrum analysis, Audio oscilloscope, Spectrogram visualization, Audio recording and playback, Peak measurement, Customizable frequency ranges

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscriptions | $0.99 | per month |
| Quarterly Subscriptions | $1.99 | per 3 months |
| Annual Subscription | $4.99 | per year |
| Permanently Activated Version | $9.99 | one-time |


## Frequently asked questions

### Is Audio SA free?

Audio SA is free to download, with in-app purchases available.

### Is Audio Analyst free?

Audio Analyst is free to download, with in-app purchases available.

### Do Audio SA or Audio Analyst have ads?

Audio SA shows ads; Audio Analyst does not.

### Which is updated more often, Audio SA or Audio Analyst?

Audio SA ships an update every 6 months, and Audio Analyst weekly. Most recently, Audio SA was updated on August 31, 2026 and Audio Analyst on August 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.*