# AUM vs SR

The clearest difference is price: SR at $1.99 against AUM's $24.99. SR also leads on in-app purchases (none vs 4). AUM's advantage is iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

AUM costs $24.99 and SR $1.99 up front. AUM sells 4 one-off in-app purchases. SR asks for nothing beyond the download.

## The numbers

| Metric | AUM | SR |
| --- | --- | --- |
| Price | $24.99 | **$1.99** |
| Rating | **[4.7 (535 ratings)](https://appshunter.io/ios/app/aum-audio-mixer/id1055636344/reviews)** | — |
| Number of ratings | **535** | — |
| Positive reviews | 81.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 67 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kymatica AB](https://appshunter.io/developer/522046659) | [Studio Romann](https://appshunter.io/developer/6805713109) |

## 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


### SR

[App page](https://appshunter.io/ios/app/sr-sequencer/id6805713107)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AUM free?

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

### Is SR free?

SR costs $1.99, with no in-app purchases.

### Do AUM or SR have ads?

Neither AUM nor SR shows ads.

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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.*