# Steel Pipe vs Protractor for Angle Measuring

Steel Pipe and Protractor for Angle Measuring both sit at 4.7 stars, but that hides the real split: 100% of Steel Pipe's written reviews are positive against 48% of Protractor for Angle Measuring's. Steel Pipe also leads on in-app purchases (none vs 5) and ads (none vs shown). Protractor for Angle Measuring's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (1.1K vs 34). On price and rating there is nothing between them.

Both are free to download. Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. Steel Pipe asks for nothing beyond the download.

Steel Pipe holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1.1K ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 100% of Steel Pipe's written reviews are positive against 48% of Protractor for Angle Measuring's.

Steel Pipe ships an update every 4 months, Protractor for Angle Measuring every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Steel Pipe | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/steel-pipe/id1517543497/reviews)** | [4.5 (1.1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews) |
| Number of ratings | 34 | **1.1K** |
| Positive reviews | **100.0% of reviews** | 48.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 120 MB |
| Requires iOS | **13** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [River Right Ltd](https://appshunter.io/developer/1515869956) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### Steel Pipe

[App page](https://appshunter.io/ios/app/steel-pipe/id1517543497)

Access essential data for common steel pipe sizes, including outside diameter, wall thickness in both inches and millimeters, and weight per meter in pounds and kilograms. This utility app also provides pipe schedule information.

**Highlights:** NPS steel pipe data, Outside diameter, Wall thickness (inches/mm), Weight (lbs/kg per meter), Pipe Schedule information

**Features:** Vision Pro support

**In-app purchases:** none


### Protractor for Angle Measuring

[App page](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160)

Transform your iPhone into a precision angle measurement tool. Effortlessly assess angles in real-time using touch and camera modes, measure multiple angles simultaneously, and customize your tools for accuracy and simplicity. Ideal for quick, reliable on-the-go assessments.

**Highlights:** Real-time angle measurement, Touch and camera modes, Simultaneous measurement of unlimited angles, Plumb bob pendulum for tilt determination, Tool color customization, Measure angles in photos

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $0.99 | per 7 days |
| Weekly Access with Trial | $1.99 | per 7 days |
| Weekly Access | $1.99 | per 7 days |
| Yearly Access | $3.99 | per year |
| Yearly Access | $4.99 | per year |

**What reviewers like**

- 👍 Useful for surveying and measuring angles
- 💡 Interesting use of camera to overlay protractor
- 👍 Helps with specific use cases like golf setup
- 👍 Provides a clutter-free protractor experience

**What reviewers complain about**

- 🐛 Difficulty using the protractor tool and angle measurement
- 🐛 Inability to zoom in/out when measuring angles in photos
- 🐛 Inaccurate angle measurements in some cases

**Reported bugs**

- Protractor tool is hard to use and requires multiple tries
- Angle measurements do not match real-world angles

**Requested features**

- Add more instructions and guidance for using the protractor tool
- Improve the zoom functionality when measuring angles in photos
- Enhance the accuracy of angle measurements


## Frequently asked questions

### Is Steel Pipe free?

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

### Is Protractor for Angle Measuring free?

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

### Which has better reviews, Steel Pipe or Protractor for Angle Measuring?

Steel Pipe is rated higher. Steel Pipe averages 4.7 out of 5 from 34 ratings, while Protractor for Angle Measuring averages 4.5 from 1.1K ratings.

### Do Steel Pipe or Protractor for Angle Measuring have ads?

Protractor for Angle Measuring shows ads; Steel Pipe does not.

### Which is updated more often, Steel Pipe or Protractor for Angle Measuring?

Steel Pipe ships an update every 4 months, and Protractor for Angle Measuring every 3 weeks. Most recently, Steel Pipe was updated on October 24, 2026 and Protractor for Angle Measuring on October 30, 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.*