# music key vs 音频变调

The clearest difference is device support: 音频变调 at 2 against music key's —. music key's advantage is iOS requirement (11.0 vs 15.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | music key | 音频变调 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6463199263/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 3 months |
| Monetization | — | Ad-supported |
| Size | 25 MB | 92 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [iformor](https://appshunter.io/developer/1457531489) | [鹏 张](https://appshunter.io/developer/1704123284) |

## What reviewers say

### music key

[App page](https://appshunter.io/ios/app/music-key/id1457531490)

**In-app purchases:** none


### 音频变调

[App page](https://appshunter.io/ios/app/id6463199263)

This tool allows users to quickly adjust the pitch of audio and video files on their mobile devices. It's ideal for singers, musicians, and content creators looking to modify vocal tracks, instrumentals, or sound effects for various creative projects.

**Highlights:** Audio pitch shifting, Video pitch shifting, Fine-tune pitch by semitones and cents, Real-time preview, Import from various sources, Export audio and video, Simple user interface

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

**In-app purchases:** none


## Frequently asked questions

### Is music key free?

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

### Is 音频变调 free?

音频变调 is free to download, with no in-app purchases.

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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.*