SleepTonic generates personalized, never-repeating binaural beats layered with calming nature sounds — synthesized in real time, made for rest.
Not another loop of stock rain. Every sound is synthesized live — so your mix is yours alone, and it never plays the same way twice.
Open the app and a fresh blend of binaural beats and nature is already waiting — generated for tonight, never on repeat.
Real-time synthesis means infinite, never-repeating soundscapes.
Deep Sleep Delta, Lucid Dreaming and more — one tap to start.
Set it and drift — sessions run as long as you need.
Dial in the exact binaural beat — Delta, Theta, Alpha — and layer in the nature and melody that calm you. This is your #1 control.
Sweep the binaural frequency from deep Delta to alert Beta.
Blend nature, ambient tracks and gentle melodies into one mix.
Found the perfect mix? Save it and start it in a single tap.
A calm breathing orb, an all-night sleep timer and a gentle fade-out so the sound eases away as you fall asleep — not jolts you awake.
From 15 minutes to all night, with a smooth fade-out.
A soft visual pace to slow your breath and settle your mind.
Audio drifts away gradually — no sudden stops at the timer.
No setup, no account, no learning curve. Pick a goal and you're drifting in seconds.
Sleep, Focus, Relax or Meditate — SleepTonic tunes the frequency to match from the very first tap.
Keep tonight's mix or open the studio to dial your own binaural beat and layer in nature and melody.
Set the sleep timer, close your eyes and let the gentle fade-out carry you the rest of the way.
Play one frequency in your left ear and a slightly different one in your right, and your mind perceives a third, gentle pulse — the difference between them. SleepTonic crafts these precise frequencies to help you unwind, focus or rest.
From 0.5 Hz deep rest to 40 Hz alert focus — one range, every mood.
The effect relies on each ear hearing its own tone — headphones bring it to life.
Fall asleep, focus, relax or unwind — personalized from the first tap.
Adjust intensity, spatial width and the gentle pulse to your taste.
A gentle nightly nudge to wind down and start your mix on time.
Keep levels safe and comfortable — especially for little ears.
On-device generation. No accounts, no tracking, no cloud listening.
Ocean, rain, streams and more — blended live, never a static loop.
Soft lullabies and soothing soundscapes with safe volume limits, made for ages 0–12 — a whole calm corner for the family.
Download SleepTonic and let your personal frequency carry you to rest. Free to start — no account needed.