# Protractor vs Angle Finder

The clearest difference is rating: Angle Finder at 5.0 against Protractor's 3.8. Protractor's advantage is in-app purchases (none vs 1) and ratings volume (16 vs 1). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Angle Finder sells 1 one-off in-app purchase. Protractor asks for nothing beyond the download.

Angle Finder holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Protractor has 16 ratings behind it against 1, so its average is the more settled of the two.

Protractor ships an update every 9 days, Angle Finder every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Protractor | Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (16 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/angle-finder-protractor/id6787664104/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Ad-supported | Ad-supported |
| Size | 33 MB | 50 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [侃 黄](https://appshunter.io/developer/6772257248) |

## What reviewers say

### Protractor

[App page](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312)

Measure angles precisely using your phone's screen or camera. This intuitive tool allows you to adjust measurement lines and instantly see the angular difference. Ideal for professionals and hobbyists needing quick, accurate angle calculations.

**Highlights:** Angle measurement with adjustable lines, Camera integration for real-world measurements, Freeze function for static measurements, Clean and modern user interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Angle Finder

[App page](https://appshunter.io/ios/app/angle-finder-protractor/id6787664104)

Measure angles directly on your device using your camera or photos. This tool offers a digital protractor and the ability to place points on images to calculate angles. Results can be saved or shared as PNG screenshots.

**Highlights:** Measure angles with three draggable points, Digital screen protractor, Measure angles over photos, Camera preview for real-world measurements, Save and share PNG screenshots, Local-first workflow

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Protractor free?

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

### Is Angle Finder free?

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

### Which has better reviews, Protractor or Angle Finder?

Angle Finder is rated higher. Protractor averages 3.8 out of 5 from 16 ratings, while Angle Finder averages 5.0 from 1 ratings.

### Do Protractor or Angle Finder have ads?

Both Protractor and Angle Finder show ads.

### Which is updated more often, Protractor or Angle Finder?

Protractor ships an update every 9 days, and Angle Finder every 2 weeks. Most recently, Protractor was updated on October 24, 2026 and Angle Finder on October 28, 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.*