Tap the Whistle on the screen to hear the sound.
Loud noise maker, just select a sound and wake up your friends.

INSTRUCTIONS:
Hold the phone and tap the screen to hear the sound.
Tap on power icon to enable the infinite playback.
Tap on lock icon to use the app in background too.

Funny application to prank or wake up your friends.
Cheer at sports games or while training with the new whistle.
There are dozen of sound, all in HD, powerful and realistic.

LOUDER than EVER!
All the whistle sounds are boosted up.
A real whistle that simulate your blow.
You’ll love it, even if you are not a game referees, or dog trainer or police man.

If you have any suggestions, contact us!

Download this app now and discover the new entertainment: Whistle!