# Shimmer AUv3 Audio Plugin vs iFX Rack

The clearest difference is in-app purchases: Shimmer AUv3 Audio Plugin at none against iFX Rack's 10. Shimmer AUv3 Audio Plugin also leads on rating (4.2 vs 3.8) and ratings volume (31 vs 10). iFX Rack's advantage is update cadence (monthly vs every 8 months) and price ($4.99 vs $7.99). On review sentiment, ads and device support there is nothing between them.

Shimmer AUv3 Audio Plugin costs $7.99 and iFX Rack $4.99 up front. iFX Rack sells 10 one-off in-app purchases. Shimmer AUv3 Audio Plugin asks for nothing beyond the download.

Shimmer AUv3 Audio Plugin holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 31 and 10 respectively. Written reviews complicate that: 64% of Shimmer AUv3 Audio Plugin's written reviews are positive against 70% of iFX Rack's, so the app with the better star average is not the one people write more warmly about.

Shimmer AUv3 Audio Plugin ships an update every 8 months, iFX Rack monthly. The most recent releases landed on November 2, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Shimmer AUv3 Audio Plugin | iFX Rack |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | **[4.2 (31 ratings)](https://appshunter.io/ios/app/shimmer-auv3-audio-plugin/id1451968439/reviews)** | [3.8 (10 ratings)](https://appshunter.io/ios/app/ifx-rack/id1462580765/reviews) |
| Number of ratings | **31** | 10 |
| Positive reviews | 63.6% of reviews | **69.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 6 MB | 279 MB |
| Requires iOS | 13 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [MIDIculous LLC](https://appshunter.io/developer/579058990) |

## 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


### iFX Rack

[App page](https://appshunter.io/ios/app/ifx-rack/id1462580765)

This app offers a virtual analog effects rack for iOS devices, featuring meticulously modeled vintage analog processors. It includes a suite of classic effects and allows for flexible FX chain assignment and MIDI automation.

**Highlights:** Analog modeled virtual effects rack, Vintage analog circuit modeling, AUv3 support, MIDI learnable automation, Dynamically drag-able FX chain, Includes VKFX effects suite

**Features:** Family Sharing, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Distortit | $0.99 | one-time |
| Amp Combo | $1.99 | one-time |
| FantasyVerb | $3.99 | one-time |
| iFX Amp | $3.99 | one-time |
| PhatFilt | $3.99 | one-time |
| Talkbox® Effect | $3.99 | one-time |
| IMPULSation for iFX Rack | $6.99 | one-time |
| Phick Analog Thickener | $6.99 | one-time |
| Additional Effects Bundle | $7.99 | one-time |
| CloudVerb | $9.99 | one-time |


## Frequently asked questions

### Is Shimmer AUv3 Audio Plugin free?

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

### Is iFX Rack free?

iFX Rack costs $4.99, and also offers in-app purchases.

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

Shimmer AUv3 Audio Plugin is rated higher. Shimmer AUv3 Audio Plugin averages 4.2 out of 5 from 31 ratings, while iFX Rack averages 3.8 from 10 ratings.

### Do Shimmer AUv3 Audio Plugin or iFX Rack have ads?

Neither Shimmer AUv3 Audio Plugin nor iFX Rack shows ads.

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

Shimmer AUv3 Audio Plugin ships an update every 8 months, and iFX Rack monthly. Most recently, Shimmer AUv3 Audio Plugin was updated on November 2, 2026 and iFX Rack on November 11, 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.*