# HM | DCC vs Protractor for Angle Measuring

The clearest difference is rating: Protractor for Angle Measuring at 4.5 against HM | DCC's 3.0. Protractor for Angle Measuring also leads on update cadence (every 3 weeks vs every 4 months) and ratings volume (1.1K vs 6). HM | DCC's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, monetization model and device support 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. HM | DCC asks for nothing beyond the download.

Protractor for Angle Measuring holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Protractor for Angle Measuring has 1.1K ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 56% of HM | DCC's written reviews are positive against 48% of Protractor for Angle Measuring's, so the app with the better star average is not the one people write more warmly about.

HM | DCC ships an update every 4 months, Protractor for Angle Measuring every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | HM | DCC | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/hm-dcc/id1660757271/reviews) | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews)** |
| Number of ratings | 6 | **1.1K** |
| Positive reviews | **56.3% of reviews** | 48.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 120 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hornby Hobbies Ltd](https://appshunter.io/developer/870599697) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### HM | DCC

[App page](https://appshunter.io/ios/app/hm-dcc/id1660757271)

Control your model railway system wirelessly with this app. Build your locomotive library, customize their settings, and design your dream layout with untethered control over points, signals, and turntables. Enjoy free sound profiles and upgrade existing systems.

**Highlights:** Wireless model railway control, Locomotive customization, On-the-fly setting adjustments, Layout design tool, Controllable points, signals, turntables, Free locomotive sound profiles, Bluetooth® device linking

**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 HM | DCC free?

HM | DCC 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, HM | DCC or Protractor for Angle Measuring?

Protractor for Angle Measuring is rated higher. HM | DCC averages 3.0 out of 5 from 6 ratings, while Protractor for Angle Measuring averages 4.5 from 1.1K ratings.

### Do HM | DCC or Protractor for Angle Measuring have ads?

Protractor for Angle Measuring shows ads; HM | DCC does not.

### Which is updated more often, HM | DCC or Protractor for Angle Measuring?

HM | DCC ships an update every 4 months, and Protractor for Angle Measuring every 3 weeks. Most recently, HM | DCC was updated on November 2, 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.*