resoundbox
Infinite soundscapes for focus, sleep & calm
Pomodoro
— Start from a state
Focus
Relax
Sleep
Ambient
Your mix — drag any sound
Shifts your mix with the time of day & your focus — and tells you why.
Adaptive
Gently reshapes your mix as you go — brighter by morning, warmer at night, pulling the melody back when you're typing fast, and softening as your session winds down.
Every shift shows up in the feed below with the reason why. It reads your typing pace on this device only — nothing is recorded or leaves your browser.
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Waves off
Saved mixes
Saved on this device. Share a mix to move it anywhere.
✦ AI mix — describe your vibe
Sets your mix on this device — no sign-up. Try "deep sleep with delta waves".