iSpirometer app for iPhone and iPad

“iSpirometer” is simple apparatus for measuring the volume of air inspired and expired by the lungs. It will take you a reference for your health. The spirometer records the amount of air and the rate of air that is breathed in and out over a specified period of time.
<=Usage=>
Press the start button in the middle of the screen .The light will show you the app status in the upper-left corner of the screen.You can blow at the microphone when the light turn bright yellow.The spirometer will begin record when the light turned bright green. It will stop testing automatically after you stop blowing.