Little improvements.
New whistles!
Little improvements.
Bugs fixed
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Ads are temporarily disabled.
Little improvements.
Improved sound quality
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
Little improvements.
A whistle is an essential thing during training, games and sports. But it is not always with you. This app will replace you with a real whistle.