AR Ruler is the best Augmented Reality measurement app for Android and Apple mobile devices. This application uses advanced Augmented Reality technology. It helps to tape measure the real world with your mobile phone's camera. Moreover, the most useful features are available in this mobile app. Also, the available features are line, volume, height, perimeter, distance, and Angle. This app auto-detect the objects. This calculates the area and perimeter automatically. You can measure the path distance very easily. It allows to tape measure linear sizes in m, cm, mm, inches, feet, and yard. It also generates a plan projection for drawn objects and exports in PDF format. you can also measure small objects directly on the mobile phone’s screen. It is very easy to use. This app is useful for civil engineers, Architects, and Interior designers. Download the free APK file of this mobile app here. Download Now.