Sleep Sounds: Sound Mixer, also known as Relax, lets Android users create custom ambient soundscapes from 62 built-in looping sounds across seven categories. Mix up to five sounds, set each volume separately, save favorite combinations, and use a sleep timer.
Combine Sounds into a Personal Mix
Choose from rain, ocean, fireplace, nature, animal, city, lullaby, meditation, and transportation-style audio. Up to five loops can play together, with a separate level for each one. This makes it possible to build anything from a simple rain background to a layered combination that masks distracting surroundings.
Key App Features
- Sixty-two built-in looping sounds in seven categories
- Mix up to five sounds at the same time
- Independent volume adjustment for every selected sound
- Save custom sound collections for later use
- Offline playback after installation
- Background audio while using other apps
- Sleep timer for automatic stopping
Create a Soundscape for the Activity
Select the sounds that fit the moment, balance their individual levels, and save the combination if you want to return to it. Use the timer before bed or during a scheduled break. Offline and background playback can support reading, studying, travel, meditation, rest, or general ambient listening without keeping the app in the foreground.
For Sleep-Time Ambience, Focus, and Relaxation
The app suits people who prefer customizable sound over one fixed track. It can provide steady background audio in a noisy room, a familiar mix during travel, or a gentle environment for quiet activities. No account is required to build and save sound combinations on the device.