# Protractor+ vs Protractor

The clearest difference is review sentiment: Protractor at 64% against Protractor+'s 15%. Protractor+'s advantage is rating (4.1 vs 1.8) and ratings volume (10K vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Protractor+ sells 1 one-off in-app purchase and Protractor sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Protractor+ holds the better App Store score, 4.1 against 1.8. That said, the two scores are not equally well evidenced: Protractor+ has 10K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 15% of Protractor+'s written reviews are positive against 64% of Protractor'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 every 5 weeks. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Protractor+ | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (10K ratings)](https://appshunter.io/ios/app/protractor-plus/id631311541/reviews)** | [1.8 (6 ratings)](https://appshunter.io/ios/app/protractor-measure-angles/id1601838509/reviews) |
| Number of ratings | **10K** | 6 |
| Positive reviews | 14.9% of reviews | **63.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [Noadit, Inc.](https://appshunter.io/developer/1516754355) |

## 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

[App page](https://appshunter.io/ios/app/protractor-measure-angles/id1601838509)

Measure angles precisely using your phone's screen, gyroscope, or camera. Offers smart presets, real-time feedback with high accuracy, and calibration features to adapt to various situations.

**Highlights:** 3-in-1 measurement modes, Smart angle presets with alerts, Hyper-responsive feedback (≤0.5° accuracy), Auto dynamic compensation calibration, Anti-shake technology for motion scenes, Screen lock for measurements

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $4.99 | per month |
| Bubble Tea | $0.99 | one-time |
| Sponsor | $4.99 | one-time |
| Coffee | $4.99 | one-time |
| Sponsor | $19.99 | one-time |
| Sponsor | $99.99 | one-time |


## Frequently asked questions

### Is Protractor+ free?

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

### Is Protractor free?

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

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

Protractor+ is rated higher. Protractor+ averages 4.1 out of 5 from 10K ratings, while Protractor averages 1.8 from 6 ratings.

### Do Protractor+ or Protractor have ads?

Neither Protractor+ nor Protractor shows ads.

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

Protractor+ ships an update every 2 months, and Protractor every 5 weeks. Most recently, Protractor+ was updated on October 15, 2026 and Protractor on October 2, 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.*