# Photo Protractor vs Protractor

The clearest difference is ads: Photo Protractor at none against Protractor's shown. Photo Protractor also leads on review sentiment (79% vs 60%) and monetization model (free vs ad-supported). Protractor's advantage is update cadence (every 9 days vs every 2 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.0 for Photo Protractor against 3.9 for Protractor. Both are backed by a comparable volume of ratings — 40 and 14 respectively. Written reviews are what separate them: 79% of Photo Protractor's written reviews are positive against 60% of Protractor's.

Photo Protractor ships an update every 2 months, Protractor every 9 days. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Photo Protractor | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (40 ratings)](https://appshunter.io/ios/app/photo-protractor/id705832869/reviews)** | [3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews) |
| Number of ratings | **40** | 14 |
| Positive reviews | **79.3% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 11 MB | 33 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mayumi Kato](https://appshunter.io/developer/705832872) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## 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

[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


## Frequently asked questions

### Is Photo Protractor free?

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

### Is Protractor free?

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

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

Photo Protractor is rated higher. Photo Protractor averages 4.0 out of 5 from 40 ratings, while Protractor averages 3.9 from 14 ratings.

### Do Photo Protractor or Protractor have ads?

Protractor shows ads; Photo Protractor does not.

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

Photo Protractor ships an update every 2 months, and Protractor every 9 days. Most recently, Photo Protractor was updated on October 20, 2026 and Protractor on October 8, 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.*