Whistle to Find is an Android app developed by Frimus that helps you locate your lost phone with just a whistle. Losing your phone can be frustrating, but this app makes it easy to find it. After configuring the app with a whistle, it responds to your whistle by ringing, vibrating, or flashing to help you locate your phone.

The app has several features that make it convenient to use. You can customize the ringtone, volume, and time for which the alert plays. Additionally, the app can automatically start when your phone is put on silent, and it can pause whistle detection during office hours. The app adjusts its sensitivity based on your Android device and allows you to customize the sensitivity as well. Finally, there is a widget that makes it easy to enable or disable the app. Whistle to Find is a low battery usage app that is easy to use and can save you a lot of time and frustration.