If you need to blow the whistle but don’t have a real whistle on hand, you've found the right app! This app features high-quality whistle noises that sound just like a real whistle – no one will even know the difference! This app is perfect for sports coaches and athletic trainers – no need to keep old fashioned whistles around any longer! Play the whistle sounds loudly to be heard across the soccer field or running track. These whistle sounds can also be used indoors on the basketball court