# Photo Protractor vs Protractor (Angle measurement)

The clearest difference is ads: Photo Protractor at none against Protractor (Angle measurement)'s shown. Photo Protractor also leads on rating (4.0 vs 3.6) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Photo Protractor holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 40 and 10 respectively. Written reviews point the same way: 79% of Photo Protractor's written reviews are positive against 68% of Protractor (Angle measurement)'s.

Photo Protractor ships an update every 2 months, Protractor (Angle measurement) every 5 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Photo Protractor | Protractor (Angle measurement) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/photo-protractor/id705832869/reviews)** | [3.6 (10 ratings)](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865/reviews) |
| Number of ratings | **40** | 10 |
| Positive reviews | **79.3% of reviews** | 68.1% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 11 MB | 7 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mayumi Kato](https://appshunter.io/developer/705832872) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### Photo Protractor

[App page](https://appshunter.io/ios/app/photo-protractor/id705832869)

This app functions as a digital protractor, allowing users to measure angles and radians directly from photos. Simply take a picture, position the measurement area, and adjust the lines to get precise readings. It's an easy-to-use tool for quick angle calculations.

**Highlights:** Measure angles from photos, Display angles and radians, Adjustable measurement lines, Easy-to-use interface, Take pictures for measurement

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Photo Protractor free?

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

### Is Protractor (Angle measurement) free?

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

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

Photo Protractor is rated higher. Photo Protractor averages 4.0 out of 5 from 40 ratings, while Protractor (Angle measurement) averages 3.6 from 10 ratings.

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

Protractor (Angle measurement) shows ads; Photo Protractor does not.

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

Photo Protractor ships an update every 2 months, and Protractor (Angle measurement) every 5 weeks. Most recently, Photo Protractor was updated on October 20, 2026 and Protractor (Angle measurement) on October 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.*