# Protractor Smart vs Protractor for Angle Measuring

The clearest difference is ads: Protractor Smart at none against Protractor for Angle Measuring's shown. Protractor Smart also leads on iOS requirement (14.0 vs 16.6). Protractor for Angle Measuring's advantage is update cadence (every 2 weeks vs every 21 months) and review sentiment (50% vs 40%). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Protractor Smart sells 1 one-off in-app purchase and Protractor for Angle Measuring sells 5 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Protractor Smart against 4.5 for Protractor for Angle Measuring. Both are backed by a comparable volume of ratings — 242 and 1K respectively. Written reviews are what separate them: 40% of Protractor Smart's written reviews are positive against 50% of Protractor for Angle Measuring's.

Protractor Smart ships an update every 21 months, Protractor for Angle Measuring every 2 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Protractor Smart | Protractor for Angle Measuring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (242 ratings)](https://appshunter.io/ios/app/protractor-smart/id1076530001/reviews)** | [4.5 (1K ratings)](https://appshunter.io/ios/app/protractor-for-angle-measuring/id6474609160/reviews) |
| Number of ratings | 242 | **1K** |
| Positive reviews | 40.4% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 112 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [AppLiks Sp. z O.O.](https://appshunter.io/developer/1804335622) |

## What reviewers say

### Protractor Smart

[App page](https://appshunter.io/ios/app/protractor-smart/id1076530001)

This app acts as a smart instrument for measuring angles using your device's camera. It offers two free modes for measuring angles on screen or using a plumb bob for slopes, with an additional premium mode for polygon measurements.

**Highlights:** Camera-based angle measurement, Touch measure mode, Plumb bob measure for slopes, Polygon measurement (premium), Screenshot functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AdBlock - Remove ads | $1.99 | one-time |


### Protractor for Angle Measuring

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

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

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

**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 Protractor Smart free?

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

### Is Protractor for Angle Measuring free?

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

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

Protractor Smart is rated higher. Protractor Smart averages 4.6 out of 5 from 242 ratings, while Protractor for Angle Measuring averages 4.5 from 1K ratings.

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

Protractor for Angle Measuring shows ads; Protractor Smart does not.

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

Protractor Smart ships an update every 21 months, and Protractor for Angle Measuring every 2 weeks. Most recently, Protractor Smart was updated on September 22, 2026 and Protractor for Angle Measuring on September 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.*