청력나이측정기 app for iPhone and iPad

[APP DESCRIPTION]

You can test your hearing age anytime, anywhere.
People say that as you get older, you can not get higher frequencies (higher tones).
You can test your hearing to see what frequencies you can hear and test whether your hearing is younger than my age.

[ How to use ]
- There are various sounds from 10 to 20s, ranging from 20s to 50s, and sounds that only animals can hear.
- Select the sound you want and hold the play button to sustain the sound.
- If you hear that sound, your hearing age is younger!


Download it right now and test out who has more young hearing with your friends.