# Goniometry App vs Angulus Pro

The clearest difference is in-app purchases: Goniometry App at none against Angulus Pro's 3. Goniometry App also leads on update cadence (daily vs fortnightly) and iOS requirement (13.0 vs 17.6). Angulus Pro's advantage is ads (none vs shown). On price and device support there is nothing between them.

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

Goniometry App ships an update daily, Angulus Pro fortnightly. The most recent releases landed on September 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Goniometry App | Angulus Pro |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 134 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Dioneibys Blanco Grudas](https://appshunter.io/developer/1658652313) | [Yonaga](https://appshunter.io/developer/1774024485) |

## What reviewers say

### Goniometry App

[App page](https://appshunter.io/ios/app/goniometry-app/id1670735041)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Goniometry App free?

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

### Is Angulus Pro free?

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

### Do Goniometry App or Angulus Pro have ads?

Goniometry App shows ads; Angulus Pro does not.

### Which is updated more often, Goniometry App or Angulus Pro?

Goniometry App ships an update daily, and Angulus Pro fortnightly. Most recently, Goniometry App was updated on September 11, 2026 and Angulus Pro on September 22, 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.*