AR Ruler 3d: Tape Measure App is a free iPhone application developed by Grymala sp. z o.o. It utilizes augmented reality (AR) technology to provide users with a tape measure tool using their smartphone's camera. With this app, users can measure linear sizes in various units such as cm, m, mm, inches, feet, and yard.

In addition to measuring linear sizes, AR Ruler 3d also offers other useful features. It includes a distance meter that allows users to measure the distance from their device's camera to a fixed point on a detected 3D plane. The app also enables users to measure angles on 3D planes, providing a versatile measuring tool.

Furthermore, AR Ruler 3d allows users to measure the perimeter and area of a room, making it convenient for tasks such as interior design or construction. Users can also measure the size of 3D objects, calculate the length of a path using the polyline feature, and even measure height relative to a recognized surface.

Overall, AR Ruler 3d: Tape Measure App provides a comprehensive set of measuring tools using AR technology. Whether you need to measure linear sizes, distances, angles, areas, volumes, or heights, this app offers a convenient solution. Try it out today and share your feedback with the developer!