Inside Kaizen: A Focus Timer for the Menu Bar
Kaizen is a focus timer from 1dot1 that lives in the Mac menu bar. The name comes from the Japanese idea of continuous improvement through small, steady steps, and the app is built around that idea: one task, one countdown, and a quiet record of how many sessions you finished today. This teardown goes through it screen by screen and explains the decisions behind each part.
There is no account, no sync and no settings window. Everything described below lives in one small panel and one icon.
Time, where you can see it
While a session runs, the menu bar shows a small timer icon with the countdown beside it. When the timer is paused the numbers grey out, and when nothing is running only the icon remains. A right-click on the icon starts or pauses the timer without opening anything, so a session can begin from any app in a single click.
The icon stays next to the numbers on purpose. A bare 17:42 in the menu bar could belong to any app, or be mistaken for the clock; the icon makes it clear at a glance that this is time left, not time of day. Putting the countdown in the menu bar also means it is visible from every app and every desktop, with no window to keep track of.
One small panel
Clicking the icon opens the panel. From top to bottom it holds a timeline, four presets, a line for the task, the controls on the left, a large clock on the right, and today's progress along the bottom. Everything fits in one view, with no tabs and nothing to scroll.
A focus timer should take less attention than the work it protects. The panel shows only what a session needs, and the few remaining options (sound, launch at login and quit) sit behind a single menu in the corner. The clock is the largest thing on screen because it is the one thing you look at most.
Set it in a second
Four presets cover the common lengths: 5, 10, 25 and 50 minutes. For anything else, drag along the timeline to set any whole number of minutes from 1 to 120. Tick marks every five minutes, with taller ones every half hour, make it easy to land on a round number. Kaizen remembers the last length you picked, so the next session starts where the last one did.
The timeline doubles as a progress bar once a session starts, with its marker sliding back toward zero as time runs out. Using one control both to set time and to show it keeps the panel small, and it turns the length of a session into something you can see as well as read.
Name the one thing
Before starting, a single line asks what the session is for. It is optional, and pressing Return in it starts the timer. The task stays visible above the clock while the session runs, and the notification at the end mentions it by name.
Writing a task down is a small commitment, and it makes the next 25 minutes harder to spend on something else. Keeping it to one line is deliberate. A focus timer that grows into a to-do list stops being a focus timer, and the point here is to do one thing, not to manage ten.
Pause, restart, cancel
Once a session is running, the controls change to pause, cancel and restart. Pause holds the remaining time exactly and resume picks up from there. Restart begins the same length again from the top, and cancel stops the session and resets the clock. The clock and the menu bar numbers fade while paused, so a paused timer never looks like a running one.
The controls are plain lowercase words rather than icons. Each one is a verb that says exactly what will happen, which matters most for an action like cancel that cannot be undone. Interruptions are part of real work, and the timer is built to wait for you rather than to judge you.
Work, then breathe
When time runs out, Kaizen plays a short sound, sends a notification and opens its panel with a note that the session is complete. A button starts a five-minute break in one click. Breaks run like any other session but are labelled as breaks and never count toward focus time. When a break ends, the panel asks whether you are ready for the next one, and the timer returns to your usual length.
Stopping is the step most people skip. Offering the break at the exact moment a session ends, with one click and no decision about how long it should be, makes resting the easy choice instead of the disciplined one.
Small steps, every day
The bottom of the panel shows today's finished sessions, the total focused time and a row of dots, one per session. A streak counts the consecutive days with at least one finished session. It does not reset at midnight: yesterday's streak carries through today until a full day passes with no session at all.
These numbers are the kaizen part of Kaizen. They reward showing up rather than long hours, since a single session keeps the streak alive, and a row of dots is easier to feel good about than a chart. All of it stays on your Mac. Kaizen stores its history locally and never connects to the internet.
Built in black and white
Kaizen is greyscale from the icon to the panel, in light and dark mode. The app icon is an ens?-style ring left open at the top, like a timer waiting to start, with a dot marking the moment it begins. In the menu bar it uses the standard system timer symbol, so it sits comfortably beside the other icons.
It is a universal app for Apple silicon and Intel Macs and runs on macOS 13 Ventura or later. The first time a session starts, macOS asks for permission to show notifications, which Kaizen uses only to say that a session or a break has ended.
Get Kaizen
Kaizen is available on 1dot1 as a single download, with a README and the licence inside the zip.