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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 1 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 4 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


Versión 4.5.2

Thanks for using our app! Please be sure to rate this new version and leave us a review on the App Store. Your feedback is greatly appreciated. We're listening to your feedback and working hard to improving the app.

What's new in this release:
- Fixes crashing issue for some iOS 8 users
- Auto pre fill our email when tapping on the "Email Support" button in the settings
- Remove the bottom ad wheel as requested by numerous users
- Add Toolbox button
- Upgrade components
- Various fixes & improvements

Reseñas de los clientes

3.8 de 5

219 valoraciones

219 valoraciones



I bought several of these instruments for my sewing and just for fun. They are great without exception and a lot of fun. I live on a water table that can sink or shake depending on the water level and the seismograph proved it. Use to think I was imagining things when I would feel the house heaving or the dishes rattling, seismograph proved I was not! Ah ha!

Best app ever


I lost my protector so I looked for a app and it terns out they really do have a app for everything

Difficult to use


This app is a pain. Ads pop up while you’re trying to transfer the angle to something. Also inexplicably takes control of phone’s audio.


SkyPaw Co. Ltd
19.7 MB
Requiere iOS 8.0 o posterior. Compatible con iPhone, iPad y iPod touch.
Español, Alemán, Chino simplificado, Chino tradicional, Inglés, Japonés
Clasificación 4+
© SkyPaw


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