# MIDIRack vs P422 Fairuz

The clearest difference is in-app purchases: P422 Fairuz at none against MIDIRack's 1. P422 Fairuz also leads on review sentiment (100% vs 67%) and rating (5.0 vs 4.8). MIDIRack's advantage is price ($14.99 vs $19.99) and ratings volume (8 vs 1). On update cadence, ads and device support there is nothing between them.

MIDIRack costs $14.99 and P422 Fairuz $19.99 up front. MIDIRack sells 1 one-off in-app purchase. P422 Fairuz asks for nothing beyond the download.

P422 Fairuz holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: MIDIRack has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of MIDIRack's written reviews are positive against 100% of P422 Fairuz's.

MIDIRack ships an update every 4 days, P422 Fairuz every 2 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MIDIRack | P422 Fairuz |
| --- | --- | --- |
| Price | **$14.99** | $19.99 |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/midirack/id6779712751/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/p422-fairuz/id6801470405/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 28 MB | 43 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [Pulsar Modular](https://appshunter.io/developer/6793457903) |

## What reviewers say

### MIDIRack

[App page](https://appshunter.io/ios/app/midirack/id6779712751)

Design custom MIDI control surfaces with a variety of instruments and sequencers. Unlock advanced features like a visual MIDI processing graph for complex routing and generative music creation. Use it standalone, as an AUv3 plugin, or to control desktop DAWs.

**Highlights:** Customizable touch surface design, KB-1 keyboard suite with MPE support, Advanced step and matrix sequencers, Visual MIDI processing graph, Built-in instruments and samplers, Connects to desktop DAWs via USB or Bluetooth

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Graph Editor Unlock | $7.99 | one-time |


### P422 Fairuz

[App page](https://appshunter.io/ios/app/p422-fairuz/id6801470405)

This app offers a powerful four-band parametric equalizer with selectable curves and proportional Q for precise sound shaping. It emulates classic op-amp circuits, adding harmonic density and character, with features like a sub-bass circuit and input transformer control.

**Highlights:** Four op-amp EQ bands with Bell/Contour/Contour X2 shapes, Proportional Q for musical width, TREMOR sub-bass circuit, VOICE input transformer and HAMMER output stage saturation, Real-time spectrum analyzer, AUv3 plugin and standalone app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MIDIRack free?

MIDIRack costs $14.99, and also offers in-app purchases.

### Is P422 Fairuz free?

P422 Fairuz costs $19.99, with no in-app purchases.

### Which has better reviews, MIDIRack or P422 Fairuz?

P422 Fairuz is rated higher. MIDIRack averages 4.8 out of 5 from 8 ratings, while P422 Fairuz averages 5.0 from 1 ratings.

### Do MIDIRack or P422 Fairuz have ads?

Neither MIDIRack nor P422 Fairuz shows ads.

### Which is updated more often, MIDIRack or P422 Fairuz?

MIDIRack ships an update every 4 days, and P422 Fairuz every 2 days. Most recently, MIDIRack was updated on October 7, 2026 and P422 Fairuz on October 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.*