# Protractor+ vs Protractor (Angle measurement)

The clearest difference is review sentiment: Protractor (Angle measurement) at 68% against Protractor+'s 15%. Protractor (Angle measurement) also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.6). Protractor+'s advantage is rating (4.1 vs 3.4) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Protractor+ sells 1 one-off in-app purchase. Protractor (Angle measurement) asks for nothing beyond the download.

Protractor+ holds the better App Store score, 4.1 against 3.4. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 15% of Protractor+'s written reviews are positive against 68% of Protractor (Angle measurement)'s, so the app with the better star average is not the one people write more warmly about.

Protractor+ ships an update every 2 months, Protractor (Angle measurement) every 5 weeks. Both last shipped on September 22, 2026.

## The numbers

| Metric | Protractor+ | Protractor (Angle measurement) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10K ratings)](https://appshunter.io/ios/app/protractor-plus/id631311541/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/protractor-angle-measurement/id926663865/reviews) |
| Number of ratings | **10K** | 5 |
| Positive reviews | 14.9% of reviews | **68.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 21 MB | 7 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [EONSOFT](https://appshunter.io/developer/899851112) |

## What reviewers say

### Protractor+

[App page](https://appshunter.io/ios/app/protractor-plus/id631311541)

Transform your device into a versatile angle measurement tool. Easily measure angles in both degrees and radians with an intuitive interface. Ideal for quick and precise angle readings.

**Highlights:** Angle measurement, Degrees and radians, Intuitive visual control, Elegant design, Pocket protractor functionality

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $1.99 | one-time |

**What reviewers like**

- 🚀 Quick angle measurement
- 👍 Useful for physics labs
- 👍 Easy to use

**What reviewers complain about**

- 🔒 Degrees feature locked behind paywall
- 🐛 Unreliable camera feature
- 🔋 Frequent timeouts force upgrade
- 💰 Aggressive monetization tactics

**Reported bugs**

- Camera feature not working as expected
- Angle measurements not accurate
- Frequent app crashes

**Requested features**

- Ability to measure in degrees without upgrade
- Improved accuracy and responsiveness
- Removal of timeouts and paywalls


### 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 Protractor+ free?

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

### Is Protractor (Angle measurement) free?

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

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

Protractor+ is rated higher. Protractor+ averages 4.1 out of 5 from 10K ratings, while Protractor (Angle measurement) averages 3.4 from 5 ratings.

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

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

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

Protractor+ ships an update every 2 months, and Protractor (Angle measurement) every 5 weeks. Most recently, Protractor+ was updated on September 22, 2026 and Protractor (Angle measurement) 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.*