# Protractor for Angle Measuring vs CONSTELLASER

The clearest difference is in-app purchases: CONSTELLASER at none against Protractor for Angle Measuring's 5. CONSTELLASER also leads on ads (none vs shown) and iOS requirement (13.0 vs 18.6). On price, update cadence 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. CONSTELLASER asks for nothing beyond the download.

Protractor for Angle Measuring ships an update every 3 weeks, CONSTELLASER every 11 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Protractor for Angle Measuring | CONSTELLASER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 48.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 120 MB | 57 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) | [广州申禾舞台灯光设备有限责任公司](https://appshunter.io/developer/1839895898) |

## What reviewers say

### 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


### CONSTELLASER

[App page](https://appshunter.io/ios/app/constellaser/id6809286926)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor for Angle Measuring free?

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

### Is CONSTELLASER free?

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

### Do Protractor for Angle Measuring or CONSTELLASER have ads?

Protractor for Angle Measuring shows ads; CONSTELLASER does not.

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

Protractor for Angle Measuring ships an update every 3 weeks, and CONSTELLASER every 11 days. Most recently, Protractor for Angle Measuring was updated on October 30, 2026 and CONSTELLASER on October 24, 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.*