The Best Free White Noise App for Sleep

It is tempting to just load up an 8-hour YouTube video of rain sounds. However, there are significant drawbacks. Streaming video drains your battery, requires an active internet connection, and—worst of all—can interrupt your sleep with loud, sudden advertisements in the middle of the night.

A dedicated white noise maker app works offline, uses minimal battery, and runs seamlessly in the background while your screen is locked. It provides a much more stable and reliable environment for uninterrupted rest.

When evaluating apps for free sleeping sounds, you should prioritize the following features:

• High-Quality Audio: The sounds shouldn't sound like they were recorded on an old phone. They need to be crisp and loop seamlessly without an obvious \"jump\" when the track restarts.
• Custom Mixing: The best apps allow you to mix multiple sounds together. You might want the steady hum of brown noise layered with a gentle thunderstorm and crackling fire.
• Offline Access: You shouldn't need Wi-Fi to fall asleep. A good app downloads the sounds directly to your device.
• Sleep Timer: The app should automatically fade out and close after a set time to save battery life.

We built Calma because we were tired of sleep apps that felt overly complicated or locked essential features behind a paywall. Here is why Calma has become the go-to app for thousands of people looking for better rest:

If you are new to sleep soundscapes, we recommend starting simple. Try combining a base layer of Pink Noise (at 60% volume) with Light Rain (at 40% volume). This creates a highly effective acoustic blanket that masks outside disturbances while remaining soft and natural.