# MX Keyboard vs Audio Extractor

The clearest difference is in-app purchases: MX Keyboard at none against Audio Extractor's 3. MX Keyboard also leads on ads (none vs shown) and iOS requirement (9.3 vs 14.0). On price and device support there is nothing between them.

Both are free to download. Audio Extractor sells 3 in-app purchases, starting at $2.99 per 7 days. MX Keyboard asks for nothing beyond the download.

## The numbers

| Metric | MX Keyboard | Audio Extractor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | — |
| Size | 34 MB | 32 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cognex Corporation](https://appshunter.io/developer/977274716) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### MX Keyboard

[App page](https://appshunter.io/ios/app/mx-keyboard/id1213396552)

**In-app purchases:** none


### Audio Extractor

[App page](https://appshunter.io/ios/app/audio-extractor-mp3-convertor/id6793943959)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $2.99 | per 7 days |
| Premium Month | $7.99 | per month |
| Premium Year | $49.99 | per year |


## Frequently asked questions

### Is MX Keyboard free?

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

### Is Audio Extractor free?

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

### Do MX Keyboard or Audio Extractor have ads?

Audio Extractor shows ads; MX Keyboard does not.

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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.*