# Universal Alliance vs Live2DViewerEX Motion Tracker

Universal Alliance and Live2DViewerEX Motion Tracker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on May 16, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Universal Alliance | Live2DViewerEX Motion Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free |
| Size | 46 MB | 207 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Naitik Shah](https://appshunter.io/developer/1157855975) | [海涛 汪](https://appshunter.io/developer/1506333210) |

## What reviewers say

### Universal Alliance

[App page](https://appshunter.io/ios/app/universal-alliance/id1351280488)

**In-app purchases:** none


### Live2DViewerEX Motion Tracker

[App page](https://appshunter.io/ios/app/live2dviewerex-motion-tracker/id1506336087)

This utility app uses your iOS device's camera to track face and hand movements. It then transmits this motion data over a network to a PC application for controlling character animations. Supports multiple devices and orientations.

**Highlights:** Face and hand motion tracking, ARKit and Mediapipe powered, Remote control for multiple devices, Network data transfer to PC, Portrait and landscape support, iOS 11+ compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal Alliance free?

Universal Alliance is free to download, with no in-app purchases.

### Is Live2DViewerEX Motion Tracker free?

Live2DViewerEX Motion Tracker is free to download, with no in-app purchases.

### Do Universal Alliance or Live2DViewerEX Motion Tracker have ads?

Neither Universal Alliance nor Live2DViewerEX Motion Tracker shows ads.

### Which is updated more often, Universal Alliance or Live2DViewerEX Motion Tracker?

Universal Alliance ships an update monthly, and Live2DViewerEX Motion Tracker monthly. Most recently, Universal Alliance was updated on May 16, 2026 and Live2DViewerEX Motion Tracker on August 24, 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.*