Vital Capacity – Take deep breath to life

***FREE FOR LAST DAY！Get It Now!***
An app which is designed for testing vital capacity. Vital capacity is closely related to human breathing.Do you often feel dizzy or dispirited?Are you often unable to concentrate?And do you have memory problems?perhaps all this are related to breathing.Come and download our app to test your vital capacity!It’s time for you to take a deep breath for life.
Taking a deep breath,blowing slowly towards iPhone / iPad microphone to ensure the continuity of airflow.You cant have a pause when you are testing.You must see the windmill rotating continuously.Your lung capacity is estimated based on the total time of your blowing.
This app estimates your lung capacity by detecting your maximum blowing time through phones microphone.This app is just a simulation test.The test results are for reference only.
Contact Us:[email protected]