iWhite Noise Baby Bedtime Sound - Baby Sleep Sound is a free Android application developed by HyperionSoft in the Lifestyle category. This app promises to help your baby relax and instantly fall asleep with its perfectly looped 21 sounds. The sounds include vacuum cleaner, washing machine, hair dryer blowing, heart beat, doppler ultrasound, and more.

The app has an auto-shutdown timer that allows you to set a specific time or minute and the application will be closed when the time is over. iWhite Noise Baby Sleep Sound app includes similar sounds that babies hear in the womb, making your little one feel confident and relaxed. This app also claims to help soothe colicky babies and keep the application running even when the screen is turned off.