# RetroSFX vs MIDIRack

The clearest difference is price: RetroSFX at $0.99 against MIDIRack's $14.99. RetroSFX also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). MIDIRack's advantage is update cadence (every 4 days vs every 5 weeks) and device support.

RetroSFX costs $0.99 and MIDIRack $14.99 up front. MIDIRack sells 1 one-off in-app purchase. RetroSFX asks for nothing beyond the download.

RetroSFX ships an update every 5 weeks, MIDIRack every 4 days. The most recent releases landed on September 12, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | RetroSFX | MIDIRack |
| --- | --- | --- |
| Price | **$0.99** | $14.99 |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/midirack/id6779712751/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 133 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ali Taleb](https://appshunter.io/developer/1635037808) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### RetroSFX

[App page](https://appshunter.io/ios/app/retrosfx/id6761139769)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is RetroSFX free?

RetroSFX costs $0.99, with no in-app purchases.

### Is MIDIRack free?

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

### Which is updated more often, RetroSFX or MIDIRack?

RetroSFX ships an update every 5 weeks, and MIDIRack every 4 days. Most recently, RetroSFX was updated on September 12, 2026 and MIDIRack on September 20, 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.*