# Joint Angle Measurement vs Joint Angle Camera

The clearest difference is update cadence: Joint Angle Measurement at weekly against Joint Angle Camera's every 3 weeks. Joint Angle Camera's advantage is iOS requirement (15.5 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Joint Angle Measurement sells 2 in-app purchases, starting at $2.99 per month and Joint Angle Camera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Joint Angle Measurement ships an update weekly, Joint Angle Camera every 3 weeks. The most recent releases landed on October 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Joint Angle Measurement | Joint Angle Camera |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 32 MB | 61 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [鹏 徐](https://appshunter.io/developer/6775937457) |

## What reviewers say

### Joint Angle Measurement

[App page](https://appshunter.io/ios/app/joint-angle-measurement/id6752212531)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $2.99 | per month |
| Subscription | $19.99 | per year |


### Joint Angle Camera

[App page](https://appshunter.io/ios/app/joint-angle-camera/id6776578930)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro forever | $4.99 | one-time |


## Frequently asked questions

### Is Joint Angle Measurement free?

Joint Angle Measurement is free to download, with in-app purchases available.

### Is Joint Angle Camera free?

Joint Angle Camera is free to download, with in-app purchases available.

### Do Joint Angle Measurement or Joint Angle Camera have ads?

Neither Joint Angle Measurement nor Joint Angle Camera shows ads.

### Which is updated more often, Joint Angle Measurement or Joint Angle Camera?

Joint Angle Measurement ships an update weekly, and Joint Angle Camera every 3 weeks. Most recently, Joint Angle Measurement was updated on October 28, 2026 and Joint Angle Camera on October 7, 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.*