# Protractor Edge - Clinometer

> Angle Finder, Angle Measure

Canonical page: [https://chrome-stats.com/d/id1198499762](https://chrome-stats.com/d/id1198499762)

## Overview

- **ID:** `id1198499762`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** 嵩 张
- **Category:** Utilities
- **Rating:** 4.50 / 5 (55 ratings)
- **Version:** 2.0.1
- **Last updated:** 2024-03-24
- **First published:** 2017-01-30
- **Size:** 21 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/protractor-edge-clinometer/id1198499762)
- **Website:** [http://www.notationpad.com](http://www.notationpad.com/)
- **Privacy policy:** [https://service.notationpad.com/privacy\_policy.html](https://service.notationpad.com/privacy_policy.html)

## Description

Protractor Edge - Clinometer is a lightweight Chrome extension for quick angle measurement. Drag two lines to align the sides of an angle, and read the degree value instantly—no photos or camera needed. It offers a fast, on-screen alternative to traditional protractors, designed for speed and ease of use.

A Premium option unlocks additional capabilities such as measuring angles from photos or via the camera and provides an ad-free experience. Subscriptions are available with auto-renewal; users can manage or cancel through their account settings. This extension emphasizes simplicity and quick results for engineers, students, and DIY enthusiasts alike.

## Rankings

- #170,812 — Overall

## Review summary

User reviews are mixed but lean positive on function and ease: the app works and is easy to use, with some users benefiting for tasks like homework. However, several reviews highlight monetization barriers—mandatory subscriptions to access core features—and a perception that the tool isn’t worth the cost or is more of a novelty. Overall, it’s usable when not gated by payment, but value is inconsistent.

### Pros

- Works as advertised and fulfills the claimed features
- Easy and convenient to use
- Generally useful for tasks (e.g., homework) and appreciated by some users

### Cons

- Monetization barriers: mandatory subscription to access core features
- Perceived lack of value: some reviews call it a novelty or not worth the cost

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1198499762)