# Shimmer AUv3 Audio Plugin vs AU3FX

The clearest difference is rating: AU3FX at 5.0 against Shimmer AUv3 Audio Plugin's 4.2. AU3FX also leads on review sentiment (100% vs 64%) and price ($4.99 vs $7.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Shimmer AUv3 Audio Plugin costs $7.99 and AU3FX $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AU3FX holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 31 and 14 respectively. Written reviews point the same way: 64% of Shimmer AUv3 Audio Plugin's written reviews are positive against 100% of AU3FX's.

Shimmer AUv3 Audio Plugin ships an update every 8 months, AU3FX every 6 months. The most recent releases landed on August 26, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Shimmer AUv3 Audio Plugin | AU3FX |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | [4.2 (31 ratings)](https://appshunter.io/ios/app/shimmer-auv3-audio-plugin/id1451968439/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/au3fxspace/id1540779621/reviews)** |
| Number of ratings | **31** | 14 |
| Positive reviews | 63.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 6 MB | 2 MB |
| Requires iOS | 13 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [Kymatica AB](https://appshunter.io/developer/522046659) |

## What reviewers say

### Shimmer AUv3 Audio Plugin

[App page](https://appshunter.io/ios/app/shimmer-auv3-audio-plugin/id1451968439)

Create ethereal soundscapes with this AUv3 compatible audio effect. It combines delay, pitch shifting, reverb, and modulation to add spacious atmosphere to instruments and vocals. Features include beat-synced options and harmonic enhancement.

**Highlights:** AUv3 compatible plugin, Combines delay, pitch shifting, and reverb, Beat-synced modulation options, Harmonic exciter and sustain section, Single-screen interface with presets, Parameter automation and tempo sync

**In-app purchases:** none


### AU3FX

[App page](https://appshunter.io/ios/app/au3fxspace/id1540779621)

This professional audio effect plugin offers high-quality real-time reverb for iOS devices. It allows for extensive parameter tweaking to create a vast range of sonic spaces, from intimate rooms to infinite expanses. The app includes built-in presets and filters, with full external control and session saving capabilities.

**Highlights:** High quality 32-bit DSP engine, Extensive parameter tweaking, Built-in resonant filters, Bundled presets, Multiple instances, Save/load session state, External parameter control

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Shimmer AUv3 Audio Plugin free?

Shimmer AUv3 Audio Plugin costs $7.99, with no in-app purchases.

### Is AU3FX free?

AU3FX costs $4.99, with no in-app purchases.

### Which has better reviews, Shimmer AUv3 Audio Plugin or AU3FX?

AU3FX is rated higher. Shimmer AUv3 Audio Plugin averages 4.2 out of 5 from 31 ratings, while AU3FX averages 5.0 from 14 ratings.

### Do Shimmer AUv3 Audio Plugin or AU3FX have ads?

Neither Shimmer AUv3 Audio Plugin nor AU3FX shows ads.

### Which is updated more often, Shimmer AUv3 Audio Plugin or AU3FX?

Shimmer AUv3 Audio Plugin ships an update every 8 months, and AU3FX every 6 months. Most recently, Shimmer AUv3 Audio Plugin was updated on August 26, 2026 and AU3FX on September 26, 2026.

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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.*