Danfoss’ Magnetic Tool app harnesses the power of Android and iOS hardware to turn any smartphone into a precise magnetic field detector. The app serves as an alternative to the variety of tools HVACR technicians rely on to ensure solenoid valves function properly. The app provides detailed information about the magnetic field of the AC or DC coil in a solenoid valve and can indicate the rotation direction of certain types of pumps. Additionally, the Magnetic Tool app documents the repair and installation process for users by taking a photo of the faulty component and sharing it with the system’s owner. The Magnetic Tool app is available in the iTunes App Store and Google Play store.