Thoughtfully crafted music and sound—for rest, focus, and clarity.

Created by Emmy-nominated composer Bryan Rheude (Dudadius), Spindles blends original music and immersive sound with insights from research on sleep, focus, and auditory health.

The result is a calm, elegant listening experience—supporting rest, concentration, anxiety reduction, and tinnitus relief—delivered through a beautifully simple iOS app with powerful yet unobtrusive features. No gimmicks. Just sound, made with care.

Music in Spindles is written specifically to complement its surrounding soundscape—whether that’s environmental noise, shaped noise profiles, or binaural beats. Rather than competing for attention, the music is designed to blend, support, and gently guide the listening experience over time.

Purpose-composed music + sound

Spindles Music Examples:

  • Soundscape control – balance music, noise, and textures to suit your space

  • Sleep Spindles mode – structured playback for falling asleep, staying asleep, and waking gently

  • Timers & scheduled playback – support focus sessions or bedtime routines

  • User playlists – organize sounds around your own rhythms

  • Keyword filtering – quickly find what fits your moment

Example of peer-reviewed research that informs Spindles’ approach to sound.

Spindles is informed by a wide range of research spanning auditory neuroscience, music cognition, attention, sleep, and perceptual health. Rather than translating studies into rigid rules, this research serves as inspiration—guiding how timing, texture, harmony, and spatial sound are shaped to support calm attention and restorative listening.

Try Spindles free for 14 days.

You’ll need to create an account to get started, but there’s no commitment during the trial period. Explore the full experience, see how it fits into your life, and decide in your own time.

Music in Spindles is composed and recorded using acoustic instruments, analog synthesis, and spatial sound techniques.