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Protractor 1st: Pro Angle Finder

By SkyPaw Co. Ltd

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Have you ever forgotten your protractor at school or when you urgently look for a protractor to measure any kind of angles in real life? Then, Protractor 1st is a must-have tool in your pocket. More than that, it is not just a protractor, it is a CONVERTER! 1 degree equals to 0.0174 radian! Having to convert between degree and radian or vice versa, you will need a calculator next to you when using normal protractors. Protractor 1st deletes this annoyance by combining all angle units measurements in one finger point.


- Measure angles in three different units: degree, radian, gradian and revolution

- Functioning as a converter by measuring pairs of units at the same time

- Customize pairs of units to display

- Instantly swapping units

- Directly input angles through an interactive keyboard

- Snapping ability with different sensitivities for each unit

- Lock and unlock modes

- Cool sound and animation effects

- Retinal ready, just more beautiful on retina iPhone and iPad

- Universal binary, download once and it runs beautifully both on iPhone and iPad

Visit for more information and products


Protractor 1st is the 1st tool among many other professional tools in our flagship app "Multi Measures - The all-in-1 measuring toolkit"

What's New in Version 4.3.0

- Support iOS 10
- Support iPhone 7, iPhone 7 Plus
- Upgrade components into latest versions
- Several other minor fixes and improvements


iPhone Screenshot 1
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Customer Reviews

Works well

Worked well for what I needed.

Nice converter.

Converts between primary & secondary units -- but app will not actually MEASURE any real-life angles.

Protractor 1st: Pro Angle Finder
View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Utilities
  • Updated:
  • Version: 4.3.0
  • Size: 12.8 MB
  • Languages: English, German, Japanese, Simplified Chinese, Spanish, Traditional Chinese
  • Seller:

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
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