# WU: AUParametricEQ — Parametric EQ Audio Unit

> Parametric EQ audio plugin for music production hosts supporting AUv3. (iPhone/iPad app by Jens Guell.)

- Source: https://appshunter.io/ios/app/wu-auparametriceq/id1530887244 (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: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 30 MB
- Languages: English
- Released: 2020-10-17
- Data updated: 2026-06-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/wu-auparametriceq/id1530887244/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

- Parametric EQ audio unit
- Compatible with AUv3 hosts
- Consistent sound across projects
- User interface for system Audio Unit
- Works with GarageBand effects


## Frequently asked questions about WU

### What is WU: AUParametricEQ?

WU: AUParametricEQ is an audio plugin that provides parametric equalizer functionality. It allows users to adjust audio frequencies within compatible music production applications.

### Is WU: AUParametricEQ free?

Yes, WU: AUParametricEQ is available for free. It has a price of Free and does not require any payment to download or use.

### What devices does WU: AUParametricEQ support?

WU: AUParametricEQ is supported on iPhone, iPad, and iPod. It is designed to work across Apple's mobile and tablet ecosystem.

### How often is WU: AUParametricEQ updated?

The latest version, 1.21, was released on March 12, 2024. This indicates the app receives regular updates to improve performance and compatibility.

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

WU: AUParametricEQ has an age rating of 4+. This means it is suitable for users of all ages, with no content restrictions.

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

WU: AUParametricEQ can be used with any host application that supports AUv3 audio processing plugins. This ensures broad compatibility with professional music software.

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

WU: AUParametricEQ has an excellent rating of 5.0 stars from 1 review. This suggests a very positive user experience among its current users.

## 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.

## Apps similar to WU

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [ddtctmcc-ff](https://appshunter.io/ios/app/ddtctmcc-ff/id6460858922) | 5.0 (5) | Free | Music |
| [Handpaner - Virtual Handpan](https://appshunter.io/ios/app/handpaner-virtual-handpan/id1606912680) | 2.0 (2) | $9.99 | Music |
| [Player FF](https://appshunter.io/ios/app/player-ff/id1615724560) | 4.7 (181) | Free | Music |
| [Patch Roulette AUv3 Randomizer](https://appshunter.io/ios/app/patch-roulette-auv3-randomizer/id6443959959) | 3.9 (8) | Free | Music |
| [RRS HLF-3C](https://appshunter.io/ios/app/rrs-hlf-3c/id1641858127) | 5.0 (15) | Free | Music |
| [TriplexClassic](https://appshunter.io/ios/app/triplexclassic/id6444733628) | 5.0 (12) | 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 2026-06-22.*