# AUM vs Troublemaker

The clearest difference is price: Troublemaker at $8.99 against AUM's $24.99. Troublemaker also leads on in-app purchases (none vs 4) and update cadence (every 2 weeks vs every 3 months). AUM's advantage is ratings volume (535 vs 64). On rating, review sentiment, ads and device support there is nothing between them.

AUM costs $24.99 and Troublemaker $8.99 up front. AUM sells 4 one-off in-app purchases. Troublemaker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for AUM against 4.6 for Troublemaker. That said, the two scores are not equally well evidenced: AUM has 535 ratings behind it against 64, so its average is the more settled of the two. Written reviews are what separate them: 82% of AUM's written reviews are positive against 78% of Troublemaker's.

AUM ships an update every 3 months, Troublemaker every 2 weeks. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AUM | Troublemaker |
| --- | --- | --- |
| Price | $24.99 | **$8.99** |
| Rating | **[4.7 (535 ratings)](https://appshunter.io/ios/app/aum-audio-mixer/id1055636344/reviews)** | [4.6 (64 ratings)](https://appshunter.io/ios/app/troublemaker/id1180892130/reviews) |
| Number of ratings | **535** | 64 |
| Positive reviews | **81.9% of reviews** | 77.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 4 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kymatica AB](https://appshunter.io/developer/522046659) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### AUM

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

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


### Troublemaker

[App page](https://appshunter.io/ios/app/troublemaker/id1180892130)

This app emulates the iconic TB-303 bassline synthesizer, offering its distinctive sound with a diode filter, sawtooth, and square wave oscillators. It provides extensive MIDI and sequencer features, allowing for creative sound design and integration with DAWs.

**Highlights:** Diode filter emulation, Sawtooth and square wave oscillators, Realtime Mutation Probability Engine, Standalone sequencer (1-64 steps), Audio Unit (AUv3) compatibility, MIDI CC controllers, MIDI Clock Sync

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AUM free?

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

### Is Troublemaker free?

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

### Which has better reviews, AUM or Troublemaker?

AUM is rated higher. AUM averages 4.7 out of 5 from 535 ratings, while Troublemaker averages 4.6 from 64 ratings.

### Do AUM or Troublemaker have ads?

Neither AUM nor Troublemaker shows ads.

### Which is updated more often, AUM or Troublemaker?

AUM ships an update every 3 months, and Troublemaker every 2 weeks. Most recently, AUM was updated on November 1, 2026 and Troublemaker on October 29, 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.*