# Protractor Smart vs Protractor Angle Measure Tool

The clearest difference is update cadence: Protractor Angle Measure Tool at monthly against Protractor Smart's every 21 months. Protractor Smart's advantage is review sentiment (40% vs 13%) and iOS requirement (14.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Protractor Smart sells 1 one-off in-app purchase and Protractor Angle Measure Tool sells 3 in-app purchases, starting at $4.99 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 Angle Measure Tool. Both are backed by a comparable volume of ratings — 242 and 169 respectively. Written reviews are what separate them: 40% of Protractor Smart's written reviews are positive against 13% of Protractor Angle Measure Tool's.

Protractor Smart ships an update every 21 months, Protractor Angle Measure Tool monthly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Protractor Smart | Protractor Angle Measure Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (242 ratings)](https://appshunter.io/ios/app/protractor-smart/id1076530001/reviews)** | [4.5 (169 ratings)](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087/reviews) |
| Number of ratings | **242** | 169 |
| Positive reviews | **40.4% of reviews** | 13.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 79 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [Appcellent](https://appshunter.io/developer/1870956141) |

## 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 Angle Measure Tool

[App page](https://appshunter.io/ios/app/protractor-angle-measure-tool/id6742701087)

This tool transforms your device into a precise angle measurement instrument. It's ideal for DIY projects, construction, and renovations, offering real-time readings in various formats. Get professional-grade accuracy for all your angled surface needs.

**Highlights:** Precise angle measurement, Vertical and horizontal orientations, Multiple measurement units (degrees, radians, gradians), Target angle alerts with audio/vibration, Real-time precision readings, Apple Watch support with haptic feedback

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protractor Weekly | $4.99 | per 7 days |
| Protractor Weekly with Trial | $6.99 | per 7 days |
| Protractor Annual | $39.99 | per year |


## Frequently asked questions

### Is Protractor Smart free?

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

### Is Protractor Angle Measure Tool free?

Protractor Angle Measure Tool is free to download, with in-app purchases available.

### Which has better reviews, Protractor Smart or Protractor Angle Measure Tool?

Protractor Smart is rated higher. Protractor Smart averages 4.6 out of 5 from 242 ratings, while Protractor Angle Measure Tool averages 4.5 from 169 ratings.

### Do Protractor Smart or Protractor Angle Measure Tool have ads?

Neither Protractor Smart nor Protractor Angle Measure Tool shows ads.

### Which is updated more often, Protractor Smart or Protractor Angle Measure Tool?

Protractor Smart ships an update every 21 months, and Protractor Angle Measure Tool monthly. Most recently, Protractor Smart was updated on September 22, 2026 and Protractor Angle Measure Tool 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.*