# Joint Angle Measurement vs Goniometer

The clearest difference is in-app purchases: Goniometer at none against Joint Angle Measurement's 2. Goniometer also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads 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. Goniometer asks for nothing beyond the download.

Joint Angle Measurement ships an update every 9 days, Goniometer every 5 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Joint Angle Measurement | Goniometer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 32 MB | 69 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [Procaryote](https://appshunter.io/developer/1591970439) |

## 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 |


### Goniometer

[App page](https://appshunter.io/ios/app/goniometer-range/id6780147865)

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

**In-app purchases:** none


## Frequently asked questions

### Is Joint Angle Measurement free?

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

### Is Goniometer free?

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

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

Neither Joint Angle Measurement nor Goniometer shows ads.

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

Joint Angle Measurement ships an update every 9 days, and Goniometer every 5 days. Most recently, Joint Angle Measurement was updated on October 15, 2026 and Goniometer on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*