# Gait Analysis Vision vs ChironMotion Vision

The clearest difference is in-app purchases: Gait Analysis Vision at none against ChironMotion Vision's 6. Gait Analysis Vision also leads on update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ChironMotion Vision sells 6 in-app purchases, starting at $3.99 per month. Gait Analysis Vision asks for nothing beyond the download.

Gait Analysis Vision ships an update every 2 weeks, ChironMotion Vision every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Gait Analysis Vision | ChironMotion Vision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 4 MB | 40 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ReTiSense](https://appshunter.io/developer/975451986) | [Yi-Fu Chen](https://appshunter.io/developer/1873701789) |

## What reviewers say

### Gait Analysis Vision

[App page](https://appshunter.io/ios/app/gait-analysis-vision/id6759321688)

**In-app purchases:** none


### ChironMotion Vision

[App page](https://appshunter.io/ios/app/chironmotion-vision/id6759504031)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cam Monthly | $3.99 | per month |
| Cam+AI Monthly | $4.99 | per month |
| Lidar+AI monthly | $5.99 | per month |
| Cam Yearly | $39.99 | per year |
| Cam+AI Yearly | $49.99 | per year |
| Lidar+AI yearly | $59.99 | per year |


## Frequently asked questions

### Is Gait Analysis Vision free?

Gait Analysis Vision is free to download, with no in-app purchases.

### Is ChironMotion Vision free?

ChironMotion Vision is free to download, with in-app purchases available.

### Do Gait Analysis Vision or ChironMotion Vision have ads?

Neither Gait Analysis Vision nor ChironMotion Vision shows ads.

### Which is updated more often, Gait Analysis Vision or ChironMotion Vision?

Gait Analysis Vision ships an update every 2 weeks, and ChironMotion Vision every 6 weeks. Most recently, Gait Analysis Vision was updated on October 25, 2026 and ChironMotion Vision on October 25, 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.*