# Protractor (Angle measurement) vs Protractor Edge

The clearest difference is rating: Protractor Edge at 4.5 against Protractor (Angle measurement)'s 3.4. Protractor Edge also leads on ratings volume (55 vs 5) and iOS requirement (9.0 vs 13.0). Protractor (Angle measurement)'s advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 43 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Protractor Edge sells 2 in-app purchases, starting at $1.99 per year. Protractor (Angle measurement) asks for nothing beyond the download.

Protractor Edge holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Protractor Edge has 55 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 68% of Protractor (Angle measurement)'s written reviews are positive against 70% of Protractor Edge's.

Protractor (Angle measurement) ships an update every 5 weeks, Protractor Edge every 43 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Protractor (Angle measurement) | Protractor Edge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865/reviews) | **[4.5 (55 ratings)](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762/reviews)** |
| Number of ratings | 5 | **55** |
| Positive reviews | 68.1% of reviews | **69.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 43 months |
| Monetization | **Ad-supported** | Freemium |
| Size | 7 MB | 21 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [嵩 张](https://appshunter.io/developer/1091921941) |

## 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-clinometer/id1198499762)

Measure angles directly on your device without taking photos or placing the angle on screen. This app offers a unique and efficient way to determine degrees, saving you time with its handy assistant functionality.

**Highlights:** Direct angle measurement on device, Intuitive line dragging interface, Measures angles in photos (Premium), Measures from camera view (Premium), Ad-free experience (Premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per year |
| Remove Ads | $0.99 | 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 3.4 out of 5 from 5 ratings, while Protractor Edge averages 4.5 from 55 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 43 months. Most recently, Protractor (Angle measurement) was updated on September 22, 2026 and Protractor Edge on September 24, 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.*