Whistle phone finder is an Android phone locator app that helps you to search your phone after losing it, forgetting it somewhere or being hidden. Just whistle and your phone will tell you where it is. Isn't it fun? Nine Hertz has created an amazing phone finder app with unique algorithm that identifies your whistle sound and respond to it with a predefined sound which ultimately leads you to the device location. br br Find out more on about the company and the product br br You can check out our updates on and . br br For any questions, suggestions or concerns please email us at Info@TheNineHertz.