A metal weight on a coil spring bobs up and down while its bouncing slowly turns into twisting and back again, the energy trading between the two motions, traced by two small graphs.
A metal weight on a coil spring bobs up and down while its bouncing slowly turns into twisting and back again, the energy trading between the two motions, traced by two small graphs.
In the app you can adjust the coupling and graphs. It runs natively on your Mac, drawn live in real time – no video, never quite the same twice.
Use it on your Mac
- Get SCRNSVRS free from the Mac App Store.
- Select Wilberforce Pendulum in the library.
- Click Set as Screensaver or Set as Wallpaper – or both.
Preview free · macOS Tahoe 26 or laterNeed a hand? Read the setup guide.
Wilberforce Pendulum FAQ
How do I set Wilberforce Pendulum as my screensaver on a Mac?
Install SCRNSVRS free from the Mac App Store, select Wilberforce Pendulum in the library and click Set as Screensaver. macOS starts it whenever your Mac is idle, exactly like a built-in screensaver.
Can I use Wilberforce Pendulum as a live wallpaper?
Yes. Click Set as Wallpaper in SCRNSVRS and Wilberforce Pendulum plays on your desktop behind your windows and icons. You can use it as screensaver and wallpaper at the same time.
Is Wilberforce Pendulum free?
Wilberforce Pendulum is included in SCRNSVRS Unlimited. It's free for your first 7 days; after that Unlimited is $1.99/month or $9.99/year (€1.99/month or €9.99/year) for every screensaver, including new ones. It can also come up in Free this month, when 25 premium screensavers are free for everyone.
Is Wilberforce Pendulum a video loop?
No. Wilberforce Pendulum is rendered live on your Mac with Metal, so it never repeats and stays sharp on any display size. The clip on this page is a screen recording of the real thing.
Will Wilberforce Pendulum slow down my Mac or drain the battery?
No. SCRNSVRS drops to 30 fps on battery and stops rendering when the wallpaper is covered by a full-screen app, so Wilberforce Pendulum costs next to nothing in everyday use.
Which Macs does Wilberforce Pendulum run on?
Wilberforce Pendulum needs macOS Tahoe 26 or later.
