Ultra Sound
Most adults cant hear the ultrasound.But it is so annoying for most young, animal, insect.
It is depending on your earsight，now use this app to test which frequency can you heard
of course you can use this app to test animals reaction. such as dogs, cats ....etc. :)
Tag:LS
App Specification
- App Name: Ultra Sound
- Rating: 3.84
- Apk: com.tntblue.sounds.ultra
- Cost: Free
- Developer: http://www.google.com