# Fugue Machine vs AUM

The clearest difference is in-app purchases: Fugue Machine at none against AUM's 4. Fugue Machine also leads on update cadence (every 8 days vs every 3 months) and price ($19.99 vs $24.99). AUM's advantage is chart position (#128 vs unranked). On ratings volume, ads, device support and iOS requirement there is nothing between them.

Fugue Machine costs $19.99 and AUM $24.99 up front. AUM sells 4 one-off in-app purchases. Fugue Machine asks for nothing beyond the download.

Fugue Machine holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 623 and 524 respectively. Written reviews point the same way: 90% of Fugue Machine's written reviews are positive against 82% of AUM's.

Fugue Machine ships an update every 8 days, AUM every 3 months. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Fugue Machine | AUM |
| --- | --- | --- |
| Price | **$19.99** | $24.99 |
| Rating | **[4.9 (623 ratings)](https://appshunter.io/ios/app/fugue-machine-midi-sequencer/id1014191410/reviews)** | [4.7 (524 ratings)](https://appshunter.io/ios/app/aum-audio-mixer/id1055636344/reviews) |
| Number of ratings | **623** | 524 |
| Positive reviews | **90.3% of reviews** | 82.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#128** |
| Size | 8 MB | 13 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandernaut](https://appshunter.io/developer/508173422) | [Kymatica AB](https://appshunter.io/developer/522046659) |

## What reviewers say

### Fugue Machine

[App page](https://appshunter.io/ios/app/fugue-machine-midi-sequencer/id1014191410)

This music sequencer uses multiple playheads to create complex melodic patterns inspired by Baroque and serialist composition techniques. Manipulate speed, direction, and pitch to generate unique soundscapes.

**Highlights:** Multi-playhead piano roll, Manipulate speed, direction, and pitch, Create complex melodic patterns, Inspired by Baroque and serialist music, Supports MIDI, AUv3 MIDI, Ableton Link, Inter-App Audio and Audiobus compatibility

**Features:** Vision Pro support

**In-app purchases:** none


### AUM

[App page](https://appshunter.io/ios/app/aum-audio-mixer/id1055636344)

**Currently charting:** #128 Top Paid · Music (US App Store)

This app is a versatile audio mixer, recorder, and connection hub for mobile devices. It allows users to connect various audio sources, route signals, apply effects, and record mixes with high fidelity. It supports advanced features like MIDI control, synchronization, and integration with other audio apps and hardware.

**Highlights:** Connect hardware inputs/outputs, Route audio and MIDI, Host Audio Unit extensions, Record mixes and individual tracks, Synchronize with Ableton Link, Built-in processing nodes, MIDI control and routing

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |

**What reviewers like**

- 👍 Excellent audio routing and mixing capabilities
- 🚀 Powerful and flexible workflow
- 💡 Seamless integration with AUv3 and IAA apps
- 👍 Intuitive and clean user interface
- 👍 Reliable and stable performance

**What reviewers complain about**

- 🐛 Occasional crashes or stability issues
- 💡 Lack of MIDI clock sync receive functionality
- 💡 Limited visual customization options (e.g. channel sizes)
- 🐛 Compatibility issues with some hardware interfaces

**Reported bugs**

- Crashes or freezes when using certain plugin combinations
- Compatibility issues with iOS 15 and newer
- Inconsistent MIDI transport controls

**Requested features**

- Add MIDI clock sync receive capability
- Implement a timeline/sequencer view
- Provide more visual customization options
- Improve support for external hardware integration


## Frequently asked questions

### Is Fugue Machine free?

Fugue Machine costs $19.99, with no in-app purchases.

### Is AUM free?

AUM costs $24.99, and also offers in-app purchases.

### Which has better reviews, Fugue Machine or AUM?

Fugue Machine is rated higher. Fugue Machine averages 4.9 out of 5 from 623 ratings, while AUM averages 4.7 from 524 ratings.

### Do Fugue Machine or AUM have ads?

Neither Fugue Machine nor AUM shows ads.

### Which is updated more often, Fugue Machine or AUM?

Fugue Machine ships an update every 8 days, and AUM every 3 months. Most recently, Fugue Machine was updated on September 17, 2026 and AUM on September 22, 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.*