# WU: AUNBandEQ — Multi Band EQ Audio Unit

> Multi-band EQ audio unit plugin for cross-host audio processing. (iPhone/iPad app by Jens Guell.)

- Source: https://appshunter.io/ios/app/wu-aunbandeq/id1530887230 (this page in markdown: same URL + `.md`)
- Developer: [Jens Guell](https://appshunter.io/developer/1195004865)
- Category: Music, Utilities
- Price: Free (on sale, was $3.99)
- Rating: 3.70/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 30 MB
- Languages: American English
- Released: 2020-10-17
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/wu-aunbandeq/id1530887230/reviews.md

## What is WU?

The WU (Wrapped Units) Series audio units exposes the user interface of the systems Audio Unit and makes it available to all host applications that support AUv3 audio processing plugins. Even if those hosts do not support UI-less units. Use the effect, well known from GarageBand on MacOS and iOS with any host application and ensure consistent sound with all your projects.

## Key features

- Multi-band EQ audio unit
- Cross-host compatibility
- Consistent sound quality
- UI-less unit support
- AUv3 audio processing


## Frequently asked questions about WU

### What is WU: AUNBandEQ?

WU: AUNBandEQ is an audio unit plugin that provides access to the multi-band equalizer system from macOS and iOS GarageBand. It can be used with any host application that supports AUv3 audio processing plugins.

### Can I use WU: AUNBandEQ with any music app?

You can use WU: AUNBandEQ with any host application that supports AUv3 audio processing plugins. This ensures consistent sound across all your projects, even if the host doesn't support UI-less units.

### What devices does WU: AUNBandEQ support?

WU: AUNBandEQ is available for iPhone, iPad, and iPod. It requires an AUv3 compatible host application to function.

### How often is WU: AUNBandEQ updated?

The latest version, 1.21, was released on March 12, 2024. Updates are released periodically to improve functionality and compatibility.

### What is the age rating for WU: AUNBandEQ?

WU: AUNBandEQ has an age rating of 4+. This indicates it is suitable for users of all ages.

### Does WU: AUNBandEQ have ads?

The provided data does not indicate the presence of advertisements in WU: AUNBandEQ.

### What is the user rating for WU: AUNBandEQ?

WU: AUNBandEQ has an average rating of 3.7 stars based on 3 user reviews.

### Is WU: AUNBandEQ free to use?

Yes, WU: AUNBandEQ is available for free. There are no in-app purchases required to use its features.

## Version history (last 3 releases)

### 1.21 — 2024-03-12

The project was updated for Apple's latest compilers and frameworks.

### 1.2 — 2021-02-01

WU Series Maintenance Update 1.2 (January 2021)

- fixed a multiple instances problem with the editors
- fixed a wrong icon assignment of the highpass filter unit
- fixed a parameter assignment bug, if the units define special addresses
- fixed possible adjustment of read-only parameters
  please note, that read-only parameters are still displayed with the interface
- added parameter min/max value validity checking
- re-adjusted finer control of the sliders
- added support for string values
- added support for labels for indxed parameters
- re-adjusted some label sizes and positions
- added fixed point formatting for floating point parameter values
- completely removed resizing control from the UI
- disabled gestures for resizing and positioning internal view
- reduced diagnostic printout during load
- removed MIDI assignment extension due to problems with some hosts,
  which send unwanted MIDI controllers and initializers to chained effects
- all WU units are now exposed a standard audio effects (aufx),
  effectively increasing the amount of hotsts supporting them
- please note, that any extensions to these units would
  make the aupreset format incompatible with the original
  and no longer share-able across platforms and hosts

- added the AUPitch shifter unit to the collection
  please note that the pitch shifter has one parameter,
  that is not intended for realtime use
- added the AUMIDISynthesizer to the collection
  this unit is a multitimbre multi MIDI channel sound module
  with a standard General MIDI compatible sound bank.
- added the AUSampler unit with a set of GM based presets
  please note that this release is a preview release for the
  capabilities of the sampler unit and its file format

### 1.0 — 2020-10-17

No release notes.

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All apps by Jens Guell: https://appshunter.io/developer/1195004865

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*