AR Ruler app is a computer technology that uses augmented reality technology to measure linear sizes, distance, angle, area, perimeter, volume, path, and height. The app is available on iOS devices and can measure in cm, m, mm, inches, feet, and yard. It also has a room planner and home design feature that generates a room plan projection for drawn objects and exports the floor plan to PDF format. Additionally, the app has an on-screen ruler app that measures small objects directly on the phone screen and a photo measurement app.

The app requires ARCore (aka lidar iOS) library produced by Google, which is constantly improving, positively affecting the room scanner quality and photo measurements accuracy of AR Ruler app.

If you have any questions about AR Ruler app or need help, you can contact the developer via email.

Overall, AR Ruler app is a useful tool for measuring various objects and spaces, and its features make it a versatile app for both personal and professional use.

However, it is important to note that the app is only available on iOS devices and requires the ARCore library, which may limit its accessibility to some users.

If you have an iOS device and are looking for a reliable and accurate measuring app, AR Ruler app is definitely worth trying out.