# Protractor

> The most accurate and smallest size protractor application you can find.

Canonical page: [https://chrome-stats.com/d/com.emreo.protractor](https://chrome-stats.com/d/com.emreo.protractor)

## Overview

- **ID:** `com.emreo.protractor`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** EMREO
- **Category:** TOOLS
- **Downloads:** 98,992
- **Rating:** 3.20 / 5 (203 ratings)
- **Version:** 2.57
- **Last updated:** 2025-06-12
- **First published:** 2020-08-22
- **Publisher country:** EG
- **Size:** 9.16 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.emreo.protractor)
- **Website:** [http://emreo.atwebpages.com/app-ads.txt](http://emreo.atwebpages.com/app-ads.txt)
- **Privacy policy:** [https://sites.google.com/view/protractor](https://sites.google.com/view/protractor)

## Description

Protractor is a compact and highly accurate Chrome extension designed to help users measure angles effortlessly. By using your device's camera, you can point at any angle and adjust the protractor overlay to get precise readings. The app features both upper and lower scales for versatile measurement options.

Usage is straightforward: open the extension, align your camera with the angle to be measured, adjust the protractor, and tap anywhere on your screen to freeze the image. You can then draw the angle lines directly on your device. This tool is perfect for students, engineers, designers, and anyone needing quick and reliable angle measurements on the go.

## Rankings

- #221,898 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.CAMERA`
- `android.permission.FLASHLIGHT`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_MEDIA_IMAGES`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.CHECK_LICENSE`
- `com.emreo.protractor.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users find the Protractor app highly accurate, easy to use, and effective for various measurement tasks. Its simple design and camera feature enhance usability, making it popular among students. However, multiple reviews note disruptive ads and occasional crashing issues, which have since been addressed. Overall, the app is praised for its precision and convenience.

### Pros

- Highly accurate and reliable measurements
- Easy to use with a simple and pleasant interface
- Useful and effective tool for students and various tasks
- Compact and well-designed application
- Camera function aids in convenient measurement

### Cons

- Too many ads affecting user experience
- App crashes on opening in some versions (although fixed)

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.emreo.protractor)