CHA1K

A professional timer and counter for focused work

Count events, time durations, and run timed intervals during a work window. Organize by person or project, keep names discreet on screen, and keep data encrypted on your device, with no cloud account.

Download on the App Store See use cases

What it does

Count
Tap to record events and see rates tied to a clear work window.
Time
Track duration episodes and fixed intervals without watching the screen.
Protect
On-device encryption, name codes, and discreet labels for shared spaces.

Built for the work window

Simple tools when focus matters

CHA1K focuses on counting, timing, privacy, and staying present with the work in front of you.

Measure

Frequency, duration, and interval sampling, with rates, episode means, and percent of the session when the window ends.

Explore measurement

Stay private

Name codes, discreet mode, and on-device encryption keep identity off the screen and out of the cloud.

Explore privacy tools

Work from the wrist

Collect on Apple Watch with an encrypted link to the phone, including when you are out of range.

Explore Apple Watch

Ready when the work starts

Available for iPhone, with Apple Watch collection included.

Download on the App Store