# WU vs World Controller

The clearest difference is price: World Controller at Free against WU's $9.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

World Controller is free to download; WU costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | WU | World Controller |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/wu-aumidisynthesizer-au/id1551523773/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Monetization | Paid | — |
| Size | 20 MB | 7 MB |
| Requires iOS | 12.0 | 12 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jens Guell](https://appshunter.io/developer/1195004865) | [Vandalay Industries](https://appshunter.io/developer/1355382384) |

## What reviewers say

### WU

[App page](https://appshunter.io/ios/app/wu-aumidisynthesizer-au/id1551523773)

This audio unit provides a General MIDI synthesizer compatible with AUv3 hosts, allowing real-time playback of up to 16 MIDI channels. It exposes system Audio Unit interfaces to any host application, ensuring consistent sound across projects.

**Highlights:** AUv3 audio processing plugin, General MIDI synthesizer, Real-time MIDI playback, Supports 16 MIDI channels, Consistent sound across projects, UI exposure for UI-less units

**Features:** Vision Pro support

**In-app purchases:** none


### World Controller

[App page](https://appshunter.io/ios/app/world-controller/id6468433369)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WU free?

WU costs $9.99, with no in-app purchases.

### Is World Controller free?

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

### Do WU or World Controller have ads?

Neither WU nor World Controller shows ads.

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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.*