# Protractor Smart vs My Screen Protractor

The clearest difference is in-app purchases: My Screen Protractor at none against Protractor Smart's 1. My Screen Protractor also leads on update cadence (weekly vs every 21 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Protractor Smart sells 1 one-off in-app purchase. My Screen Protractor asks for nothing beyond the download.

Protractor Smart ships an update every 21 months, My Screen Protractor weekly. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Protractor Smart | My Screen Protractor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (242 ratings)](https://appshunter.io/ios/app/protractor-smart/id1076530001/reviews)** | — |
| Number of ratings | **242** | — |
| Positive reviews | 40.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 21 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 21 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [mintaek lee](https://appshunter.io/developer/1862176346) |

## 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 |


### My Screen Protractor

[App page](https://appshunter.io/ios/app/my-screen-protractor/id6761331320)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protractor Smart free?

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

### Is My Screen Protractor free?

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

### Do Protractor Smart or My Screen Protractor have ads?

Neither Protractor Smart nor My Screen Protractor shows ads.

### Which is updated more often, Protractor Smart or My Screen Protractor?

Protractor Smart ships an update every 21 months, and My Screen Protractor weekly. Most recently, Protractor Smart was updated on September 22, 2026 and My Screen Protractor on September 10, 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.*