# MIDIx vs Marco Synth

The clearest difference is price: Marco Synth at $4.99 against MIDIx's $8.99. MIDIx's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.6). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

MIDIx costs $8.99 and Marco Synth $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MIDIx against 5.0 for Marco Synth. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

MIDIx ships an update every 8 days, Marco Synth weekly. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | MIDIx | Marco Synth |
| --- | --- | --- |
| Price | $8.99 | **$4.99** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/midix-physics-midi-generator/id6758278999/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/marco-synth/id6782900508/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Paid | Paid |
| Size | 17 MB | 6 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fingerlab](https://appshunter.io/developer/412786610) | [Glenn Vassallo](https://appshunter.io/developer/914825403) |

## 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


### Marco Synth

[App page](https://appshunter.io/ios/app/marco-synth/id6782900508)

This powerful synthesizer app offers a unique dual hard sync engine with four independent oscillators. Explore a vast sonic palette with intelligent randomization and a tactile workflow designed for sound discovery. It's suitable for both beginners and experienced musicians.

**Highlights:** Dual hard sync engine, Four independent oscillators, Intelligent randomization, Extensive waveform and filter options, Master FX bus, AUv3 plugin support, Built-in keyboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MIDIx free?

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

### Is Marco Synth free?

Marco Synth costs $4.99, with no in-app purchases.

### Which has better reviews, MIDIx or Marco Synth?

MIDIx and Marco Synth are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do MIDIx or Marco Synth have ads?

Neither MIDIx nor Marco Synth shows ads.

### Which is updated more often, MIDIx or Marco Synth?

MIDIx ships an update every 8 days, and Marco Synth weekly. Most recently, MIDIx was updated on October 10, 2026 and Marco Synth 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.*