# MIDIx vs Galaxy Brain

The clearest difference is price: Galaxy Brain at Free against MIDIx's $8.99. MIDIx's advantage is in-app purchases (none vs 2) and update cadence (every 8 days vs every 3 weeks). On rating, ratings volume, ads and device support there is nothing between them.

Galaxy Brain is free to download; MIDIx costs $8.99 up front. Galaxy Brain sells 2 one-off in-app purchases. MIDIx asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MIDIx against 5.0 for Galaxy Brain. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

MIDIx ships an update every 8 days, Galaxy Brain every 3 weeks. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MIDIx | Galaxy Brain |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/midix-physics-midi-generator/id6758278999/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/galaxy-brain-delay-effect/id6759922291/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 13 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [Sketch Audio, LLC](https://appshunter.io/developer/1699093348) |

## What reviewers say

### MIDIx

[App page](https://appshunter.io/ios/app/midix-physics-midi-generator/id6758278999)

This app uses physics simulations to generate expressive MIDI data. Control parameters through object movement or create generative note sequences. It's a unique tool for musicians seeking organic and evolving soundscapes.

**Highlights:** Physics-driven MIDI CC generation, Generative MIDI note sequencing, AUv3 plugin support, Customizable physics scenes, Built-in scale library, Real-time modulation, Universal app for iOS and Mac

**Features:** Vision Pro support

**In-app purchases:** none


### Galaxy Brain

[App page](https://appshunter.io/ios/app/galaxy-brain-delay-effect/id6759922291)

This app offers advanced audio manipulation with a frequency shifter and stereo delay. Create a wide range of effects, from lush choruses to choppy textures and sci-fi sounds, with flexible modulation options and optional hardware clipping for added grit.

**Highlights:** Frequency shifting with adjustable range, Stereo delay with tempo sync and ping-pong, Multiple modulation sources (LFO, envelope, sequencer), Optional hardware clipping for drive and saturation, Morph settings for smooth parameter transitions, Auto bypass and HQ mode for optimized performance

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two-week Trial | Free | one-time |
| Full Unlock | $9.99 | one-time |


## Frequently asked questions

### Is MIDIx free?

MIDIx costs $8.99, with no in-app purchases.

### Is Galaxy Brain free?

Galaxy Brain is free to download, with in-app purchases available.

### Which has better reviews, MIDIx or Galaxy Brain?

MIDIx and Galaxy Brain are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do MIDIx or Galaxy Brain have ads?

Neither MIDIx nor Galaxy Brain shows ads.

### Which is updated more often, MIDIx or Galaxy Brain?

MIDIx ships an update every 8 days, and Galaxy Brain every 3 weeks. Most recently, MIDIx was updated on October 10, 2026 and Galaxy Brain on October 8, 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.*