# Protractor Edge vs Protractor

The clearest difference is in-app purchases: Protractor at none against Protractor Edge's 2. Protractor also leads on update cadence (every 9 days vs every 6 weeks) and ratings volume (14 vs 2). Protractor Edge's advantage is iOS requirement (13.0 vs 16.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Protractor Edge sells 2 one-off in-app purchases. Protractor asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for Protractor Edge against 3.9 for Protractor. That said, the two scores are not equally well evidenced: Protractor has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 67% of Protractor Edge's written reviews are positive against 60% of Protractor's.

Protractor Edge ships an update every 6 weeks, Protractor every 9 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Protractor Edge | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/protractor-edge-angle-measure/id1499078532/reviews)** | [3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews) |
| Number of ratings | 2 | **14** |
| Positive reviews | **66.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 33 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [向阳 杨](https://appshunter.io/developer/1174757734) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### Protractor Edge

[App page](https://appshunter.io/ios/app/protractor-edge-angle-measure/id1499078532)

This utility app functions as a precise digital protractor for measuring angles on your device. It offers a smart instrument for accurate angle measurement, supporting iPhone and iPad. The app is free to download and use.

**Highlights:** Precise angle measurement, Smart instrument, Digital protractor, Supports iPhone and iPad

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support for a cup of coffee | $1.99 | one-time |
| Ads-free experience | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Protractor Edge free?

Protractor Edge is free to download, with in-app purchases available.

### Is Protractor free?

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

### Which has better reviews, Protractor Edge or Protractor?

Protractor Edge is rated higher. Protractor Edge averages 4.0 out of 5 from 2 ratings, while Protractor averages 3.9 from 14 ratings.

### Do Protractor Edge or Protractor have ads?

Both Protractor Edge and Protractor show ads.

### Which is updated more often, Protractor Edge or Protractor?

Protractor Edge ships an update every 6 weeks, and Protractor every 9 days. Most recently, Protractor Edge was updated on October 7, 2026 and Protractor on October 8, 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.*