Flip Clock Screensaver for Mac

The time on split-flap cards, drifting across your Mac and reflecting off the edges. It is running on this page — that is the real screensaver, not a recording of one.

The Flip Clock screensaver running here, in the Paper style on a contour map.

Part of Nap: screensavers for macOS 13 or later, $5 once after the trial.

What it does

Every digit turns over in two stages, the way a real split-flap board does: the front face falls to the seam, then the new one swings up out of it. The block of cards travels in a straight line and bounces off all four edges, so the clock is never burned into one corner of the display.

What you can change

  • Style and background. Every style on every background, from the near-black Night to the warm Paper above.
  • Speed and size. From a slow drift to a brisk one, and from a modest clock to one that fills the display.
  • 12-hour clock and seconds. Both optional. With seconds on there is always something moving.

You set those in the Nap app, with the real screensaver previewing as you change them, so nothing is a guess.

Getting it

Nap installs the screensaver for you and takes you to the right pane in System Settings. It runs for two days from the first time you open it, with everything unlocked, and after that a key is $5 once — no subscription, and the key moves between Macs.

It needs macOS 13 or later and runs on Apple silicon and Intel. The quickest install is one line in Terminal, which avoids the macOS warning a browser download brings.

Also here: DVD bouncing screensaver and Football screensaver. Every style and background is on one page, and installing takes a minute.