# Protractor Edge vs Angle Measure, Digital Ruler

The clearest difference is rating: Angle Measure, Digital Ruler at 5.0 against Protractor Edge's 4.5. Angle Measure, Digital Ruler also leads on ads (none vs shown) and review sentiment (100% vs 70%). Protractor Edge's advantage is ratings volume (55 vs 2) and iOS requirement (9.0 vs 14.0). On price, in-app purchases, monetization model 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 and Angle Measure, Digital Ruler sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Angle Measure, Digital Ruler holds the better App Store score, 5.0 against 4.5. 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 100% of Angle Measure, Digital Ruler's.

Protractor Edge ships an update every 43 months, Angle Measure, Digital Ruler every 6 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Protractor Edge | Angle Measure, Digital Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (55 ratings)](https://appshunter.io/ios/app/protractor-edge-clinometer/id1198499762/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222/reviews)** |
| Number of ratings | **55** | 2 |
| Positive reviews | 69.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 43 months | **Every 6 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 21 MB | 8 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [嵩 张](https://appshunter.io/developer/1091921941) | [Zain Saeed Mughal](https://appshunter.io/developer/1762408320) |

## 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 |


### Angle Measure, Digital Ruler

[App page](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222)

Transform your device into a versatile measuring tool. Accurately find and measure angles, levels, and distances with a digital protractor, ruler, and bubble level. Features include a flashlight and camera integration for precise work in any condition.

**Highlights:** Digital protractor and angle finder, Bubble level and 360° clinometer, Measuring tape and ruler functionality, Flashlight and camera integration, User-friendly interface

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Protractor Edge free?

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

### Is Angle Measure, Digital Ruler free?

Angle Measure, Digital Ruler is free to download, with in-app purchases available.

### Which has better reviews, Protractor Edge or Angle Measure, Digital Ruler?

Angle Measure, Digital Ruler is rated higher. Protractor Edge averages 4.5 out of 5 from 55 ratings, while Angle Measure, Digital Ruler averages 5.0 from 2 ratings.

### Do Protractor Edge or Angle Measure, Digital Ruler have ads?

Protractor Edge shows ads; Angle Measure, Digital Ruler does not.

### Which is updated more often, Protractor Edge or Angle Measure, Digital Ruler?

Protractor Edge ships an update every 43 months, and Angle Measure, Digital Ruler every 6 days. Most recently, Protractor Edge was updated on October 16, 2026 and Angle Measure, Digital Ruler on October 9, 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.*