---
title: "Protractor Smart — App Overview"
url: https://marlvel.ai/apps/protractor-smart
category: Utilities
developer: ExaMobile S.A.
platforms: ios
rating: 4.6 (224 ratings)
pricing: freemium
report_level: overview
generated: 2026-04-19
last_verified: "2026-04-19T10:30:41.204Z"
overall_rating: 4.6
total_reviews: 224
data_age_days: 209
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app provides functional basic measurement tools, user feedback highlights significant concerns regarding the frequency of advertisements.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Utilities |
| Rating | 4.6 ★ (224) |
| Pricing | freemium |
| Platforms | iOS |
| Latest Version (iOS) | 1.6 |
| Developer | ExaMobile S.A. |

<!-- SECTION: Summary -->
## What is Protractor Smart?

Protractor Smart is a utility app that utilizes the device camera and sensors to measure angles and slopes in real-world environments. It provides basic measurement tools for general use, with an optional premium tier for advanced geometric analysis.

<!-- SECTION: Key Features -->
## Key Features

- **Touch Measure**: Allows users to set angles by interacting with the screen while using the camera view.
- **Plumb Bob Measure**: Uses a pendulum-based mechanism to determine the slope of surfaces.
- **Polygon Measurement**: A premium feature that enables users to draw shapes on the screen or over photos to calculate specific angles.
- **Customization Tools**: Premium users can adjust helper lines, change colors, and switch between different angle units.

<!-- SECTION: Target Audience -->
## Who is it for?

Users requiring quick, non-professional angle measurements for construction, DIY projects, or academic tasks.

<!-- SECTION: Links -->
## Links

- App Store (App Store ID 1076530001)
- [Full Intelligence Report](https://marlvel.ai/apps/protractor-smart)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/protractor-smart).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*