# WU: AUDelay — Delay Processor Audio Unit

> Audio Unit delay processor plugin for cross-host audio processing. (iPhone/iPad app by Jens Guell.)

- Source: https://appshunter.io/ios/app/wu-audelay/id1530782394 (this page in markdown: same URL + `.md`)
- Developer: [Jens Guell](https://appshunter.io/developer/1195004865)
- Category: Music, Utilities, Music
- Price: Free (on sale, was $3.99)
- Rating: 3.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 30 MB
- Languages: English
- Released: 2020-09-12
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/wu-audelay/id1530782394/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

- Audio Unit (AUv3) plugin
- Cross-host compatibility
- Consistent sound quality
- User interface exposure
- Delay processing


## Frequently asked questions about WU

### What is WU: AUDelay?

WU: AUDelay is an Audio Unit (AUv3) plugin that exposes system audio unit interfaces, allowing you to use effects like delay in any compatible host application. It ensures your audio processing remains consistent across different projects and hosts.

### Is WU: AUDelay free to use?

Yes, WU: AUDelay is available for free. There are no in-app purchases or subscription costs associated with using this audio processing plugin.

### What devices does WU: AUDelay support?

WU: AUDelay is compatible with iPhone, iPad, and iPod devices. It is designed to work within the iOS and iPadOS ecosystems.

### How often is WU: AUDelay updated?

The app was last updated on March 12, 2024, with version 1.21. This indicates ongoing development and support for the plugin.

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

WU: AUDelay has an age rating of 4+. This suggests it is suitable for most users and does not contain mature content.

### What is the user sentiment for WU: AUDelay?

Based on the available data, WU: AUDelay has a rating of 3.0 stars from 2 ratings. This indicates a mixed to average user reception.

### Can I use WU: AUDelay with GarageBand?

Yes, the description mentions that WU: AUDelay exposes the user interface of systems Audio Units, making it available to host applications that support AUv3. This includes GarageBand, allowing you to use its effects consistently.

## Version history (last 3 releases)

### 1.21 — 2024-03-12

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

### 1.2 — 2021-02-02

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 — 2020-09-12

No release notes.

## Apps similar to WU

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Tails - Dual Reverb](https://appshunter.io/ios/app/tails-dual-reverb/id6444164617) | 4.9 (14) | $9.99 | Music |
| [Intensifier AUv3](https://appshunter.io/ios/app/intensifier-auv3/id1573201268) | 5.0 (13) | Free | Music |
| [ChowMultiTool](https://appshunter.io/ios/app/chowmultitool/id6448428301) | 4.9 (16) | Free | Music |
| [Kalimba Keys](https://appshunter.io/ios/app/kalimba-keys/id6474580189) | 5.0 (13) | $4.99 | Music |
| [TriplexClassic](https://appshunter.io/ios/app/triplexclassic/id6444733628) | 5.0 (12) | Free | Music |
| [Patch Roulette AUv3 Randomizer](https://appshunter.io/ios/app/patch-roulette-auv3-randomizer/id6443959959) | 3.9 (8) | Free | Music |

## More apps by Jens Guell

- [GM MIDI Player](https://appshunter.io/ios/app/gm-midi-player/id1445780869)
- [MIDI SWEET : Clock Sync (AU)](https://appshunter.io/ios/app/midi-sweet-clock-sync-au/id1454284852)
- [JAF Model One](https://appshunter.io/ios/app/jaf-model-one/id1472652593)
- [JAF Collection](https://appshunter.io/ios/app/jaf-collection/id1472896422)
- [JAX Stereo Tool (AU)](https://appshunter.io/ios/app/jax-stereo-tool-au/id1473390302)
- [JAX !Make Louder (Audio Unit)](https://appshunter.io/ios/app/jax-make-louder-audio-unit/id1474614677)

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

---

*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.*