Studio-grade binaural, monaural & isochronic tones — plus a 40 Hz flicker and breath pacer. Focus, calm, or sleep in one tap. No signup, no ads, runs right in your browser.
Three studio-grade tools for focus, sleep and meditation — monaural & isochronic tones that work on any speaker, plus binaural beats for headphone sessions.
The Monaural Studio — clinical presets, a live visualizer, and every parameter under your fingertips. This is the real thing, running in your browser.
Delta to gamma — Deep Sleep, Calm Focus, Peak State, ready in one tap.
Watch the waveform, spectrum, and spectrogram move as you tune.
Tone A/B, beat rate, carrier — dial in the exact frequency you want.
It remembers what worked, so your next session starts smarter.
lock in, deep work
Beta / gamma entrainment to sharpen attention and hold it.
decompress, let go
Alpha waves to ease tension and downshift after the day.
drift off, stay under
Delta tones and a slow breath pacer to fall asleep faster.
wake up, get moving
A bright, rhythmic lift for low-energy afternoons.
open flow, ideas
Theta-leaning soundscapes for loose, associative thinking.
Not for most of it. Monaural and isochronic tones work on any speaker or phone — the app labels which preset is which. Binaural beats are the one mode that wants headphones.
Yes. No signup, no ads, no trial timer. Open the tab, pick a state, press play.
Brainwave entrainment gently nudges your brain toward a target rhythm — people use it to settle into focus, calm, or sleep faster. Effects vary person to person and build with consistent, unhurried sessions.
For most people, yes. If you have a history of seizures or epilepsy, skip the 40 Hz flicker mode and check with your doctor first. It’s a wellness tool, not a medical device.
Not on any server. There is no account and no analytics. Your theme, saved presets, and recent session history are kept in your browser’s local storage on your own device, so they are still there when you come back. Clear the site data in your browser and they are gone. Details in the privacy policy.
Brain Beats is a wellness tool, not a medical device, and isn’t intended to diagnose, treat, or cure any condition. If you have a seizure history, avoid the 40 Hz flicker and consult a physician.
When the world won’t slow down, you still can. Allostasis is a breathing guide that meets you in the noise and walks your nervous system back to calm — two minutes, anywhere.
Meet Allostasis →