Kinsa Inc.is a health technology company headquartered in San Francisco, California, United States. The company manufactures smart thermometers, currently producing a smart stick thermometer (oral, rectal, underarm thermometer), smart ear thermometer and a Sesame Street branded smart ear thermometer. Its thermometers connect to a free app that tracks historic temperature, symptom and diagnostic data. The company's mission is to create the first real-time map of human health.