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Custom sleep sound mixer apps

Combine several sound loops into a sleep mix. Check whether you can set each sound's volume separately and save the mix with a fade-out or timer for later nights.

Sleep Sounds & White Noise Mix

An offline sound mixer and sleep journal with nature sounds, white noise, a timer, and nightly tracking.

Senera: Sleep Sounds & Stories

Senera layers ambient sounds and narrated bedtime stories, with offline playback and a sleep timer.

Sleep Sounds - Deep Relaxation

Sleep Sounds - Deep Relaxation mixes nature and ambient sounds for sleep, relaxation, meditation, or focus, with per-sound volume controls and a sleep timer.

Sleep Sounds — Sleep.fm

A local sound mixer for sleep with layered ambient loops, a fade-out timer, and a one-time unlock for more sounds.

Sleep Sounds: Rain & Fan Mix provides 27 offline sounds, custom mixes of up to eight layers, a fade timer, focus timers, breathing patterns, and short meditation prompts. The listing says it has no ads, subscriptions, or account requirement. Optional iCloud sync is off by default, and activity records stay on the device unless the user enables sync.

Sleep Sounds HQ: relaxing aid

Mix and play recordings of rain, rivers, animals, white noise, and other ambient sounds with a sleep timer and background playback.

A mixer lets you blend background sounds at different volumes and return to the same combination another night.

How to choose

Save a quiet mix and test the loop, volume balance, and screen-off playback.

Frequently asked questions

Can the mix fade out on its own?

Check for a sleep timer with a gradual fade and test how it behaves with the screen locked.