# Protractor Edge vs Protractor Edge

The clearest difference is rating: Protractor Edge at 4.5 against Protractor Edge's 4.0. Protractor Edge also leads on ratings volume (55 vs 2) and iOS requirement (9.0 vs 13.0). Protractor Edge's advantage is update cadence (every 6 weeks vs every 43 months). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Protractor Edge sells 2 in-app purchases, starting at $1.99 per year and Protractor Edge sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Protractor Edge holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Protractor Edge has 55 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Protractor Edge's written reviews are positive against 67% of Protractor Edge's.

Protractor Edge ships an update every 43 months, Protractor Edge every 6 weeks. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Protractor Edge | Protractor Edge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (55 ratings)](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/protractor-edge-angle-measure/id1499078532/reviews) |
| Number of ratings | **55** | 2 |
| Positive reviews | **69.6% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 43 months | **Every 6 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 21 MB | 17 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [嵩 张](https://appshunter.io/developer/1091921941) | [向阳 杨](https://appshunter.io/developer/1174757734) |

## What reviewers say

### 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 |


### 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 Edge free?

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

### Is Protractor Edge free?

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

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

Protractor Edge is rated higher. Protractor Edge averages 4.5 out of 5 from 55 ratings, while Protractor Edge averages 4.0 from 2 ratings.

### Do Protractor Edge or Protractor Edge have ads?

Both Protractor Edge and Protractor Edge show ads.

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

Protractor Edge ships an update every 43 months, and Protractor Edge every 6 weeks. Most recently, Protractor Edge was updated on September 24, 2026 and Protractor Edge on September 20, 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.*