Thermometer - Hygrometer app is a great tool to help you get outside temperature, manage the operation of the device by monitoring, updating the battery temperature and cpu temperature. This app is a hygrometer, which displays the temperature of the air (celcius or fahrenheit degree scale), the temperature of the battery, the temperature of cpu by using a built-in temperature sensor. And Thermometer is also a hygrometer, which displays the humidity, speed wind. However, some devices don't have