# User Scale vs XII AudioVisual

The clearest difference is review sentiment: User Scale at 100% against XII AudioVisual's 33%. User Scale also leads on price (Free vs $9.99) and rating (3.5 vs 3.0). XII AudioVisual's advantage is device support (3 vs 1). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

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

User Scale holds the better App Store score, 3.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 100% of User Scale's written reviews are positive against 33% of XII AudioVisual's.

User Scale ships an update every 13 months, XII AudioVisual every 22 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | User Scale | XII AudioVisual |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/user-scale/id579231060/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/xii-audiovisual/id905741418/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 13 months** | Every 22 months |
| Monetization | **Free** | Paid |
| Size | 8 MB | 167 MB |
| Requires iOS | **8.1** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roland Corporation](https://appshunter.io/developer/387333694) | [昊 刘](https://appshunter.io/developer/652348004) |

## What reviewers say

### User Scale

[App page](https://appshunter.io/ios/app/user-scale/id579231060)

This iPad application allows musicians to control the tuning scale of their Roland instruments. It enables real-time adjustments to key tunings, applying consistent values across notes of the same name during performances.

**Highlights:** Control tuning scale with iPad, Change instrument key tunings, Apply consistent tuning values, Real-time performance control

**In-app purchases:** none


### 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


## Frequently asked questions

### Is User Scale free?

User Scale is free to download, with no in-app purchases.

### Is XII AudioVisual free?

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

### Which has better reviews, User Scale or XII AudioVisual?

User Scale is rated higher. User Scale averages 3.5 out of 5 from 2 ratings, while XII AudioVisual averages 3.0 from 2 ratings.

### Do User Scale or XII AudioVisual have ads?

Neither User Scale nor XII AudioVisual shows ads.

### Which is updated more often, User Scale or XII AudioVisual?

User Scale ships an update every 13 months, and XII AudioVisual every 22 months. Most recently, User Scale was updated on October 16, 2026 and XII AudioVisual on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*