Spectra: Ghost Hunting Tools

Spectra turns your phone into a ghost hunting instrument. Every number on screen comes from real hardware in your phone: the magnetometer, the microphone, the barometer, the camera, the accelerometer and gyroscope. It's all processed on the phone and explained in plain English. No random spikes. No theatrics dressed up as data. The measurements are honest. What they mean is your call. SLS OPTICS Point the camera at the room. On-device pose detection draws a glowing stick figure over anything shaped like a person, live, while your other readings stay on screen. It's strict on purpose: it won't outline a coat rack. Tap MARK to keep a frame with the figure burned in. EMF DETECTOR Your phone's compass chip reads the magnetic field around you. Spectra learns the room's normal level, then shows how far each reading climbs above it, in microtesla. Follow the needle toward the source. House…