# Protractor - Measure Angles — Angle trouble? Fixed in a tap!

> Mobile app for precise angle measurement using screen, gyroscope, or camera. (iPhone/iPad app by Noadit, Inc..)

- Source: https://appshunter.io/ios/app/protractor-measure-angles/id1601838509 (this page in markdown: same URL + `.md`)
- Developer: [Noadit, Inc.](https://appshunter.io/developer/1516754355)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 1.80/5 from 6 App Store ratings · 11 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.0 · 5 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2021-12-31
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/protractor-measure-angles/id1601838509/reviews.md

## What is Protractor?

Ditch bulky tools! Measure angles precisely anywhere with just your phone.

*** Features ***

► Full-Scene Precision Measurement
    *  3-in-1 Modes: Screen Protractor / Gyroscope Protractor/ Camera Protractor, adapt to different scenarios.
    *  Smart Angle Preset: Input target angles for instant deviation alerts. 
    *  Hyper-Responsive Feedback: Real-time tracking with ≤0.5° accuracy.

► Triple-Calibration Assurance
* Auto Dynamic Compensation: Device-position-aware baseline calibration
* Anti-Shake Tech: 80% accuracy boost in motion scenes (Gyroscope Mode)
    *  Screen lock: Freeze measurements instantly to prevent accidental touches.

► Contact Us
    *  Email: ceo@noadit.com

## Key features

- 3-in-1 measurement modes
- Smart angle presets with alerts
- Hyper-responsive feedback (≤0.5° accuracy)
- Auto dynamic compensation calibration
- Anti-shake technology for motion scenes
- Screen lock for measurements

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| VIP | $4.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Sponsor | $4.99 | one-time |
| Sponsor | $99.99 | one-time |
| Sponsor | $19.99 | one-time |
| Bubble Tea | $0.99 | one-time |
| Coffee | $4.99 | one-time |


## Recent user reviews (10 of 11)

All indexed reviews: https://appshunter.io/ios/app/protractor-measure-angles/id1601838509/reviews.md

### 1/5 — BAAAD

*2026-07-02*

I tried to use it on my work (IT DOES NOT WORK)

### 5/5 — Excelente app y gratuita

*2026-01-25, version 26*

Es muy buena práctica y gratuita

### 5/5 — Great App!! 👏🏻👏🏻🔝🔝

*2024-01-18, version 2.4.224*

Great App!! 👏🏻👏🏻🔝🔝

### 1/5 — No hay opcion de quitar los anuncios

*2023-08-13*

No hay opcion de quitar los anuncios

### 5/5 — Eine der Besten Apps im Store Aktuell

*2023-06-20, version 1.23.6*

Diese App hat mein Leben nicht nur massiv erleichtert es macht mich auch jeden Tag glücklich damit Winkel wie ein Profi auszumessen!! Ich liebe diese App, Winkel sind mein Leben!!!!!! ICH FREUE MICH AUF WINKELMESSER 2024

### 5/5 — Winkelmesser

*2023-06-20, version 1.23.6*

Winkelmesser 2023 hat mein Leben verändert. Immer wenn ich einen Winkel messen will kann ich es tun. Ich werde auf jeden Fall Winkelmesser 2024 vorbestellen.

### 5/5 — Funciona bien la app

*2023-06-07, version 1.3*

La aplicación es muy buena y tmb sirve mucho la recomiendo si es que no tienes transportador en casa como yo

### 5/5 — Amazing

*2023-05-15, version 1.3*

Works amazing!! This should be the N1

### 5/5 — Genial gut und einfach

*2023-01-05, version 1.3*

Für ein Regal im Bad in unserer Ferienwohnung musste ich den Winkel der Wände messen. Sie sind nicht rechtwinklig. Mit dieser App war es möglich.
Kann ich sehr empfehlen.

### 2/5 — не транспортир а хуйня какая-то

*2022-12-15*

ебанул чертёж с этим приложение вьебали два

## Frequently asked questions about Protractor

### Does Protractor have ads?

Yes, Protractor contains advertisements. The VIP subscription offers an ad-free experience.

### What is the VIP subscription for Protractor?

The VIP subscription provides an ad-free experience and is available for $4.99 per month with a 3-day free trial. Payment is charged to your Apple ID and auto-renews unless canceled at least 24 hours prior.

### How accurate is Protractor?

Protractor offers hyper-responsive feedback with an accuracy of less than or equal to 0.5°. Its anti-shake technology can boost accuracy by 80% in motion scenes when using gyroscope mode.

### What devices does Protractor support?

Protractor is supported on iPhone, iPad, and iPod devices.

### How often is Protractor updated?

The app was last updated on October 6, 2025, indicating regular updates are provided by the developer.

### What are the different measurement modes in Protractor?

Protractor features three modes: Screen Protractor, Gyroscope Protractor, and Camera Protractor, allowing users to adapt to different measurement scenarios.

### Can I cancel my Protractor subscription?

Yes, you can cancel your subscription by turning off auto-renewal at least 24 hours before the current period ends in your Apple ID account settings. You will retain access until the end of your paid billing period.

### What is the age rating for Protractor?

Protractor has an age rating of 4+, making it suitable for a wide range of users.

## Version history (last 5 releases)

### 27.2 — 2026-07-23

New UI designed for iOS 26.

### 27.1 — 2026-07-19

Your time, undisturbed.
* New UI design;
* Updated developer information.

### 27 — 2026-07-17

Your time, undisturbed.
* Removed ads;
* New UI design;
* Updated developer information.

### 26.10 — 2026-06-23

New user interface designed for iOS 26.

### 26 — 2025-10-06

New user interface designed for iOS 26.

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All apps by Noadit, Inc.: https://appshunter.io/developer/1516754355

## Related topics

[camera measure angle](https://appshunter.io/ios/topics/camera-measure-angle) · [angle protractor](https://appshunter.io/ios/topics/angle-protractor) · [measurements angle](https://appshunter.io/ios/topics/measurements-angle) · [paycom employee](https://appshunter.io/ios/topics/paycom-employee)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*