# ChironMotion Vision vs StartIQ

The clearest difference is update cadence: StartIQ at every 4 days against ChironMotion Vision's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChironMotion Vision sells 6 in-app purchases, starting at $3.99 per month and StartIQ sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ChironMotion Vision ships an update every 6 weeks, StartIQ every 4 days. The most recent releases landed on June 28, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ChironMotion Vision | StartIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/startiq/id6761866376/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 40 MB | 1 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yi-Fu Chen](https://appshunter.io/developer/1873701789) | [Chris Younghoon Kim](https://appshunter.io/developer/1891853247) |

## What reviewers say

### 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 |


### StartIQ

[App page](https://appshunter.io/ios/app/startiq/id6761866376)

Analyze your sprint block starts with on-device body pose estimation. Import a video to receive instant biomechanical feedback on your set position, first push, and drive phase. Get detailed joint angle measurements and coaching cues to improve your performance.

**Highlights:** On-device body pose estimation, Biomechanical feedback on sprint starts, Joint angle measurements, Coaching cues and drill recommendations, Comparison to elite sprinters, Private data analysis on device

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StartIQ Pro Monthly | $2.99 | per month |
| StartIQ Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is ChironMotion Vision free?

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

### Is StartIQ free?

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

### Do ChironMotion Vision or StartIQ have ads?

Neither ChironMotion Vision nor StartIQ shows ads.

### Which is updated more often, ChironMotion Vision or StartIQ?

ChironMotion Vision ships an update every 6 weeks, and StartIQ every 4 days. Most recently, ChironMotion Vision was updated on June 28, 2026 and StartIQ on September 13, 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.*