# Protractor (Angle measurement) vs Protractor Edge

The clearest difference is in-app purchases: Protractor (Angle measurement) at none against Protractor Edge's 2. Protractor (Angle measurement) also leads on ratings volume (10 vs 2). Protractor Edge's advantage is rating (4.0 vs 3.6). On price, review sentiment, update cadence and ads there is nothing between them.

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

Protractor Edge holds the better App Store score, 4.0 against 3.6. That said, the two scores are not equally well evidenced: Protractor (Angle measurement) has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 68% of Protractor (Angle measurement)'s written reviews are positive against 67% of Protractor Edge's, so the app with the better star average is not the one people write more warmly about.

Protractor (Angle measurement) ships an update every 5 weeks, Protractor Edge every 6 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Protractor (Angle measurement) | Protractor Edge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (10 ratings)](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/protractor-edge-angle-measure/id1499078532/reviews)** |
| Number of ratings | **10** | 2 |
| Positive reviews | **68.1% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 7 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [向阳 杨](https://appshunter.io/developer/1174757734) |

## What reviewers say

### Protractor (Angle measurement)

[App page](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865)

Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.

**Highlights:** Camera-based angle measurement, Digital protractor functionality, Measure angles of objects, Real-world angle determination

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Free and functional
- 👍 Accurate measurements
- 👍 Useful for homework
- 👍 Handy when needed
- 👍 Better than others

**What reviewers complain about**

- 👎 Hard to hold steady
- 👎 Camera is blurry
- 👎 Ads can be intrusive
- 👎 Difficult to use on paper
- 👎 Time limit on free version

**Reported bugs**

- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)

**Requested features**

- Ability to freeze image
- Ability to use photos for measurement
- Upload a still image and overlay protractor
- Improve accuracy with shaky hands
- Add option to take a picture and measure


### 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 |


## Frequently asked questions

### Is Protractor (Angle measurement) free?

Protractor (Angle measurement) is free to download, with no in-app purchases.

### Is Protractor Edge free?

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

### Which has better reviews, Protractor (Angle measurement) or Protractor Edge?

Protractor Edge is rated higher. Protractor (Angle measurement) averages 3.6 out of 5 from 10 ratings, while Protractor Edge averages 4.0 from 2 ratings.

### Do Protractor (Angle measurement) or Protractor Edge have ads?

Both Protractor (Angle measurement) and Protractor Edge show ads.

### Which is updated more often, Protractor (Angle measurement) or Protractor Edge?

Protractor (Angle measurement) ships an update every 5 weeks, and Protractor Edge every 6 weeks. Most recently, Protractor (Angle measurement) was updated on October 13, 2026 and Protractor Edge on October 7, 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.*