Mix every layer
Adjust rain, fire, wind, ocean, music, and noise separately.
Offline sleep sounds app
Sleep sounds that stay with you offline
Use Heiwa as an offline sleep sounds app for iPhone. Mix local rain, fire, ocean, forest, wind, and calming noise without relying on a continuous connection.
Download Heiwa
Set a timer
Choose a session length and let the soundscape stop automatically.
Save favorites
Keep personal mixes ready for bedtime, reading, or deep work.
Listen without buffering
Heiwa keeps its core sounds on your device, so a weak hotel connection or airplane mode does not have to interrupt a familiar bedtime atmosphere.
Some account or subscription actions may still need internet access, but downloaded and local sounds remain ready when you want them.
Build an offline relaxing sound mix
Layer rain under a quiet fireplace, combine ocean waves with wind, or place brown noise beneath a forest ambience. Each layer has its own volume control.
Save the combinations you return to so your personal sleep soundscape is easy to start again.
Useful at home and while travelling
Offline playback can be useful on flights, in hotels, or anywhere a connection is unreliable. A timer lets the soundscape stop without another trip to your phone.
Heiwa is a wellness and relaxation tool, not a medical treatment for sleep conditions.