Hygrometer app is vintage relative humidity meter that measures atmospheric relative humidity.

It features direct reading in percent and also includes a digital display readout.

NOTE: This app requires device with a humidity sensor. If the humidity sensor is not present this app will load measured relative humidity by your local meteorological station using your location and a weather web service.

Outdoor humidity information is provided by the Meteorologisk institutt of Norway NRK weather web service accessible at YR.NO.