# Angulus Pro vs Goniometer

The clearest difference is in-app purchases: Goniometer at none against Angulus Pro's 3. Goniometer also leads on update cadence (every 4 days vs fortnightly). Angulus Pro's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Angulus Pro sells 3 in-app purchases, starting at $2.99 per month. Goniometer asks for nothing beyond the download.

Angulus Pro ships an update fortnightly, Goniometer every 4 days. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Angulus Pro | Goniometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943/reviews)** | — |
| Number of ratings | **26** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 134 MB | 51 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Yonaga](https://appshunter.io/developer/1774024485) | [heekyung moon](https://appshunter.io/developer/6779193748) |

## What reviewers say

### Angulus Pro

[App page](https://appshunter.io/ios/app/angulus-pro-precision-angle/id6736951943)

This app provides professional-grade angle measurements for clinical and personal use. It offers high precision, multiple measurement modes, and AI-powered camera assistance for accurate assessments and progress tracking.

**Highlights:** Precision to 0.01°, Four Measurement Modes, AI-Powered Camera Overlay, Real-Time Analysis, Clinical Documentation & Export, Progress Tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Angulus Pro Monthly | $2.99 | per month |
| Angulus Pro Annually | $29.99 | per year |
| Angulus Pro Lifetime | $49.99 | one-time |


### Goniometer

[App page](https://appshunter.io/ios/app/goniometer-joint-rom/id6784830053)

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

**In-app purchases:** none


## Frequently asked questions

### Is Angulus Pro free?

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

### Is Goniometer free?

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

### Do Angulus Pro or Goniometer have ads?

Goniometer shows ads; Angulus Pro does not.

### Which is updated more often, Angulus Pro or Goniometer?

Angulus Pro ships an update fortnightly, and Goniometer every 4 days. Most recently, Angulus Pro was updated on September 22, 2026 and Goniometer on September 18, 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.*