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ProTrac app for iPhone and iPad


4.4 ( 1264 ratings )
Utilities Education
Developer: Edward Legler
Free
Current version: 1.1, last update: 7 years ago
First release : 31 Jan 2016
App size: 12.22 Mb

ProTrac is a new style of Protractor.
Lay the device flat on a surface and draw lines at different angles alongside your iPhone or iPad.
Or use the side of your iPhone or iPad to measure the angle between two lines.
ProTrac uses attitude to keep track of the yaw angle which then rotates an image of a protractor.