# Protractor vs Angle Measure, Digital Ruler

The clearest difference is rating: Angle Measure, Digital Ruler at 5.0 against Protractor's 3.9. Angle Measure, Digital Ruler also leads on review sentiment (100% vs 60%) and ads (none vs shown). Protractor's advantage is in-app purchases (none vs 1) and ratings volume (14 vs 2). On price, update cadence and device support there is nothing between them.

Both are free to download. Angle Measure, Digital Ruler sells 1 one-off in-app purchase. Protractor asks for nothing beyond the download.

Angle Measure, Digital Ruler holds the better App Store score, 5.0 against 3.9. 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 point the same way: 60% of Protractor's written reviews are positive against 100% of Angle Measure, Digital Ruler's.

Protractor ships an update every 9 days, Angle Measure, Digital Ruler every 6 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Protractor | Angle Measure, Digital Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/angle-measure-digital-ruler/id6677031222/reviews)** |
| Number of ratings | **14** | 2 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 33 MB | 8 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jens Rieckhof](https://appshunter.io/developer/354266124) | [Zain Saeed Mughal](https://appshunter.io/developer/1762408320) |

## What reviewers say

### 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


### 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 free?

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

### Is Angle Measure, Digital Ruler free?

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

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

Angle Measure, Digital Ruler is rated higher. Protractor averages 3.9 out of 5 from 14 ratings, while Angle Measure, Digital Ruler averages 5.0 from 2 ratings.

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

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

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

Protractor ships an update every 9 days, and Angle Measure, Digital Ruler every 6 days. Most recently, Protractor was updated on September 21, 2026 and Angle Measure, Digital Ruler on September 22, 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.*