# Protractor vs Protractor

The clearest difference is rating: Protractor at 3.9 against Protractor's 1.8. Protractor also leads on in-app purchases (none vs 6) and update cadence (every 9 days vs every 5 weeks). Protractor's advantage is ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Protractor sells 6 in-app purchases, starting at $4.99 per month. Protractor asks for nothing beyond the download.

Protractor holds the better App Store score, 3.9 against 1.8. Both are backed by a comparable volume of ratings — 6 and 14 respectively. Written reviews complicate that: 64% of Protractor's written reviews are positive against 60% 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 5 weeks, Protractor every 9 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Protractor | Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (6 ratings)](https://appshunter.io/ios/app/protractor-measure-angles/id1601838509/reviews) | **[3.9 (14 ratings)](https://appshunter.io/ios/app/protractor-angle-measure/id6630392312/reviews)** |
| Number of ratings | 6 | **14** |
| Positive reviews | **63.6% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 7 MB | 33 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Noadit, Inc.](https://appshunter.io/developer/1516754355) | [Jens Rieckhof](https://appshunter.io/developer/354266124) |

## What reviewers say

### 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 |


### 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 Protractor free?

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

### Is Protractor free?

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

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

Protractor is rated higher. Protractor averages 1.8 out of 5 from 6 ratings, while Protractor averages 3.9 from 14 ratings.

### Do Protractor or Protractor have ads?

Protractor shows ads; Protractor does not.

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

Protractor ships an update every 5 weeks, and Protractor every 9 days. Most recently, Protractor was updated on October 2, 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.*