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3D Protractor app for iPhone and iPad


4.4 ( 6574 ratings )
Utilities Education
Developer: Hongkun Song
3.99 USD
Current version: 2.1, last update: 8 years ago
First release : 26 Jan 2013
App size: 13.94 Mb

Measure actual angles from a distance? This magical App makes impossible happen!

Just throw your plastic protractor away if you have an iPhone! I think you would never have to use traditional protractors any more! Since here is a much better tool for you to measure angles, that is your iOS device and of course, with the amazing app 3D Protractor!

3D Protractor! A super tool for you to measure all kinds of angles in the 3D space by moving and rotating your iOS device or using the camera!

Don’t limit your imagination of measuring angles to just measuring the angle between two lines on a plane! This was an old thinking. 3D Protractor breaks it! In fact,it is so powerful that it can do following five jobs:
1,Line-Line Angle Measurement. It can measure the angle of any two lines in the space,include the angle on a plane.
2,Slope Angle Measurement.
3,Dihedral Angle Measurement.
4,Line-Face Angle Measurement.

5,Camera Angle Measurement. It is a super cool feature! It can measure actual angles of any objects in front by the devices camera. Unbelievable! Actual angle!

You might feel a little bit confused at first after reading the above professional descriptions. This App uses 3D models to make it really easy for you to understand and use.
Everyone can use it. Students can use it to do their homework. Teachers can use it to teach geometry especially solid geometry, which makes a really good teaching tool. Engineers can use it to measure any angles they need to know at work. And of course, there are many many more usages in our daily life.

3D Protractor! Re-invention of protractor!
A great app to make measuring angle easy and more accurate!
A great app to change the world of angle measurement!

PS. 1、If you measure an angle in a long time,the precision may be lower.
2、This version has no Ads!