# XII AudioVisual vs MMP1 Controller

The clearest difference is price: MMP1 Controller at Free against XII AudioVisual's $9.99. MMP1 Controller also leads on iOS requirement (10.0 vs 15.6). XII AudioVisual's advantage is device support (3 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

MMP1 Controller is free to download; XII AudioVisual costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

XII AudioVisual ships an update every 22 months, MMP1 Controller every 30 months. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | XII AudioVisual | MMP1 Controller |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/xii-audiovisual/id905741418/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 22 months** | Every 30 months |
| Monetization | Paid | — |
| Size | 167 MB | 6 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [昊 刘](https://appshunter.io/developer/652348004) | [Yamaha Corporation](https://appshunter.io/developer/353469356) |

## What reviewers say

### XII AudioVisual

[App page](https://appshunter.io/ios/app/xii-audiovisual/id905741418)

This app generates 3D computer graphics and music in real-time based on the twelve-tone technique. It offers automatic composition with limited user interface, allowing MIDI note export to DAWs. The music is experimental and not intended for conventional listening.

**Highlights:** Real-time 3D computer graphics, Audio-visual music generation, Twelve-tone technique composition, MIDI note export via Wi-Fi, Sequence setup UI, Interactive 3D rotation

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

**In-app purchases:** none


### MMP1 Controller

[App page](https://appshunter.io/ios/app/mmp1-controller/id1237061545)

**In-app purchases:** none


## Frequently asked questions

### Is XII AudioVisual free?

XII AudioVisual costs $9.99, with no in-app purchases.

### Is MMP1 Controller free?

MMP1 Controller is free to download, with no in-app purchases.

### Do XII AudioVisual or MMP1 Controller have ads?

Neither XII AudioVisual nor MMP1 Controller shows ads.

### Which is updated more often, XII AudioVisual or MMP1 Controller?

XII AudioVisual ships an update every 22 months, and MMP1 Controller every 30 months. Most recently, XII AudioVisual was updated on October 24, 2026 and MMP1 Controller on October 4, 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.*