Measure surfaces and edges. Calibrate on a known level surface. Free: surface and edge measurements, calibration and hold. Optional one-time purchase: target angle with tolerance, named local records and text report sharing. No subscription or ads. Lay the back of the device on the surface. The bubble shows tilt up to 10°. Stand the device upright, with the bottom edge of the screen on the surface. Offline and private Estimates depend on the device, case and calibration. Not a certified precision instrument.
Utilities · iPhone, iPad, Android · Free
