# Live2DViewerEX Motion Tracker vs Bubly

The clearest difference is review sentiment: Bubly at 100% against Live2DViewerEX Motion Tracker's 50%. Live2DViewerEX Motion Tracker's advantage is update cadence (monthly vs every 2 months) and iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Live2DViewerEX Motion Tracker ships an update monthly, Bubly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Live2DViewerEX Motion Tracker | Bubly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bubly-social-assistant/id6754884488/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 207 MB | 83 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海涛 汪](https://appshunter.io/developer/1506333210) | [Pei-Chia Yen](https://appshunter.io/developer/1850737829) |

## What reviewers say

### 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


### Bubly

[App page](https://appshunter.io/ios/app/bubly-social-assistant/id6754884488)

Effortlessly manage your relationships by remembering important dates and sending personalized messages. This AI-powered assistant helps you stay connected with friends, family, and colleagues, making every interaction meaningful.

**Highlights:** Smart contact management with notes and tags, AI-generated personalized greetings, Intelligent reminders for important dates, Organized contact database, Personalized message crafting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Live2DViewerEX Motion Tracker free?

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

### Is Bubly free?

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

### Do Live2DViewerEX Motion Tracker or Bubly have ads?

Neither Live2DViewerEX Motion Tracker nor Bubly shows ads.

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

Live2DViewerEX Motion Tracker ships an update monthly, and Bubly every 2 months. Most recently, Live2DViewerEX Motion Tracker was updated on October 24, 2026 and Bubly on October 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.*