Free tools
Free focus tools
Small, quiet tools that run right here in your browser. No app, no account, no data collected — just a steadier way into deep work.
The sound mixer
Brown noise, soft rain, and an optional 40 Hz binaural layer. Mix your own steady soundscape and leave it on.
Open the mixer Headphones recommended for the 40 Hz layerThe focus timer
One sentence, one breath, one quiet block. 15 to 90 minutes with a soft chime at the end.
Open the timer Counts down in the tab title tooNew to this? Read the free 5-minute reset → — no email needed.
When you want it done for you
The 40 Hz Focus Kit
Eight composed tracks over exact-frequency tones — deep work, study, wind-down and sleep. About 5.3 hours, offline, yours forever.
Honestly: you don't need it to focus — the free tools above do the job. The kit is for when you'd rather press play on something composed than mix your own.
Hear the previews →
30-second listens · €15 once · no subscription