White Noise
Constant power across all frequencies. Ideal for masking distracting speech.
FREQUENCY: HIGH
10 Minute Timer
Ten minutes — the shortest block that still counts as doing the thing.
25:00
Ready
Nothing selected
Sound Library
Calibrated frequencies for deep work and relaxation.
Color Noises
Continuous frequencies for auditory masking.
Brown Noise
Deep, bass-heavy rumble reminiscent of a distant waterfall or thunder.
FREQUENCY: LOW
Pink Noise
Balanced spectrum that sounds more natural to the human ear, like steady rain.
FREQUENCY: BALANCED
Red Noise
Even deeper than Brown noise, focusing heavily on the low-end spectrum.
FREQUENCY: LOW
Black Noise
Near-silence with subtle low-frequency drift. Meditative, like the sound of a quiet room at night.
FREQUENCY: NEAR SILENT
Grey Noise
Psychoacoustically equalized to sound equally loud at every frequency.
FREQUENCY: EQUALIZED
Ambient Sounds
Natural soundscapes recorded in high fidelity.
Rain
Gentle rainfall creating a natural, soothing atmosphere perfect for deep concentration.
SOURCE: RECORDED
Rain on Tent
Rainfall on a tent canvas — cozy, immersive and deeply relaxing for focused work.
SOURCE: RECORDED
Ocean Waves
Rhythmic ocean waves rolling onto shore — a timeless natural soundscape for calm focus.
SOURCE: RECORDED
Wind
Steady breeze flowing through open spaces — airy and expansive for clear thinking.
SOURCE: RECORDED
Forest Stream
A gentle brook flowing through a quiet forest — peaceful and grounding for deep work.
SOURCE: RECORDED
Meadow
Birds and insects in a sunlit meadow — warm, organic ambience for relaxed focus.
SOURCE: RECORDED
Binaural Beats
Brainwave entrainment through stereo frequency offset. Layers with any noise above.
Headphones required for binaural effect
Delta
Deep sleep and healing. Ultra-low 2 Hz beat for total relaxation.
BEAT: 2 Hz
Theta
Meditation and creativity. 6 Hz beat for deep introspection and flow.
BEAT: 6 Hz
Alpha
Calm focus and learning. 10 Hz beat for relaxed concentration.
BEAT: 10 Hz
Beta
Active thinking and energy. 14 Hz beat for alertness and problem solving.
BEAT: 14 Hz
The block that gets you started
Francesco Cirillo did not begin with twenty-five minutes. Struggling to study, he committed to ten minutes of genuinely uninterrupted work and grabbed a kitchen timer to hold himself to it. The twenty-five-minute standard came later, once the habit existed.
That original length still does the same job. Ten minutes is short enough that the part of you looking for reasons not to start runs out of them, and long enough that you make real progress rather than just opening the file.
Where ten minutes is the right size
It is a natural fit for anything that expands to fill whatever space you give it. Tidying, inbox triage, admin, the small maintenance tasks that are never urgent — all of these are better done badly in ten minutes than perfectly in an hour that you did not have.
- A warm-up block before a longer focus session
- Clearing a desk or a downloads folder
- Email triage, boxed so it cannot spread
- A longer break when five minutes was not enough
- Ten minutes of reading before the day starts
Making the block hold
The main threat to a short block is a single interruption, because there is no slack to absorb it. Background sound helps more here than in a long session: it covers the small events that would otherwise pull you out. Brown noise or rain at a modest level is enough.
If ten minutes routinely turns into wanting more, that is a signal — move up to 25 and stop negotiating with yourself at the start of each session.
Common questions
Is ten minutes long enough to be useful?
For starting, yes — it is the length Cirillo originally used before the Pomodoro technique settled on twenty-five. For deep work it is short; the value is in getting past the resistance to beginning.
Can I run the timer without any sound?
Yes. The countdown is independent of playback. Start the timer and leave the library alone if you want silence.
What sound suits a short block?
Something steady rather than textured, so nothing in it competes for attention over a short window. Brown noise or pink noise work well.