The app visualizes magnetism in three dimensions using the iPhone's magnetometer. It can be used to explore magnetic fields, detect metal, and estimate north-south position without GPS.
Reader tool allows users to read and listen to books. Ruler tool measures length, breadth, and height of objects. Protractor tool measures angles of objects. Slope tool calculates the incline of structures. Activity track daily tasks and progress.
Measure eye alignment with automatic detection of monocular PD, fitting heights, boxing, and lens distances. Capture images with the portable device, save results, and access additional equipment information for ordering.