# K vs Audio Analyst

The clearest difference is in-app purchases: K at none against Audio Analyst's 4. K also leads on iOS requirement (7.0 vs 15). Audio Analyst's advantage is update cadence (weekly vs monthly) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. Audio Analyst sells 4 in-app purchases, starting at $0.99 per month. K asks for nothing beyond the download.

K ships an update monthly, Audio Analyst weekly. The most recent releases landed on October 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | K | Audio Analyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/audio-analyst/id6478918400/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 41 MB |
| Requires iOS | **7.0** | 15 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [泳涛 周](https://appshunter.io/developer/713061925) | [嘉欣 胡](https://appshunter.io/developer/1640395440) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-audio-v2/id1231717180)

**In-app purchases:** none


### 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 K free?

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

### Is Audio Analyst free?

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

### Do K or Audio Analyst have ads?

Neither K nor Audio Analyst shows ads.

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

K ships an update monthly, and Audio Analyst weekly. Most recently, K was updated on October 28, 2026 and Audio Analyst on October 4, 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.*