# Protractor Angle Meter vs Goniometer

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Protractor Angle Meter ships an update fortnightly, Goniometer every 4 days. The most recent releases landed on September 22, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Protractor Angle Meter | Goniometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 51 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Romiick LLC](https://appshunter.io/developer/1716146475) | [heekyung moon](https://appshunter.io/developer/6779193748) |

## What reviewers say

### Protractor Angle Meter

[App page](https://appshunter.io/ios/app/protractor-angle-meter/id6778436306)

This app allows you to measure angles from photos using your device's camera or existing images. Add multiple measurements with customizable colors and labels, and view results in various units. Save your work automatically and export high-quality images of your measurements.

**Highlights:** Measure angles from photos, Live camera or photo library input, Multiple angle measurements per photo, Customizable color and labels, Degrees, radians, or slope percentage output, Precision Loupe for accuracy, Automatic saving

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

**In-app purchases:** none


### 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 Protractor Angle Meter free?

Protractor Angle Meter is free to download, with no in-app purchases.

### Is Goniometer free?

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

### Do Protractor Angle Meter or Goniometer have ads?

Goniometer shows ads; Protractor Angle Meter does not.

### Which is updated more often, Protractor Angle Meter or Goniometer?

Protractor Angle Meter ships an update fortnightly, and Goniometer every 4 days. Most recently, Protractor Angle Meter was updated on September 22, 2026 and Goniometer on September 4, 2026.

---

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