The Mac menu bar clock, and the clock behind it
Not exactly — the menu bar clock is macOS's own, and Horologe isn't a replacement for it. Horologe is a desk clock, and it's $5.99, paid once. It sits on the desktop where you can see it without looking, and it rings the hour.
The spec, in prose: four faces — Mantel, Station, Chronometer, Nocturne. Five bells — Westminster, Whittington, Ship's Bell, Temple Bowl, Grandfather. Quarters on or off; the hour counted out. Quiet hours silent from 10pm to 8am, and a right-click on the bell in the menu bar to mute. About three and a half megabytes, macOS 15 or later, Mac App Store.
What the menu bar clock does well
It's always there, it's exact, and it costs nothing. It's a readout: it tells you the time the moment you decide to look. Most days that's a good deal. The problem is the deciding. You look when something makes you look — a meeting about to start, a train to catch — and otherwise you don't. At 2:40 on a long afternoon the menu bar clock is right there, and you haven't glanced at it in an hour.
Where third-party menu-bar clocks go
Several Mac apps put a bigger or busier clock in the menu bar, and some of them are good at it. They add time zones, alarms, or a dropdown full of timers. If that's the job you need done, they're the right place to look. What they all share is the same posture as the system clock: the time is behind a click or a glance, and it waits for you.
What the clock behind it adds
Horologe is the layer underneath, not the readout on top. A window at desktop level: in front of the wallpaper, behind your windows, never taking focus and never coming to the front. Drag it, resize it, pick a face. It's there when you look past your work, and it says something when you don't — a bell on the hour, counted. The kinds of sound a Mac clock can make are their own piece; the built-in spoken option is covered too.
The menu bar still does one job in Horologe: the little bell you right-click to mute. That's the whole menu-bar presence, and it's deliberate — the clock isn't a set of controls, it's a thing in the room.
The limits, in the same size
No alarms, no timers, no world clocks, no ticking. It can ring during a call, because it can't read your calendar and won't ask. Muting it is one right-click.
Horologe is $5.99 once. Keep the menu bar clock; put this behind it.
Read next: How to make your Mac chime every hour