Newton's Rings — a live screensaver and wallpaper for your Mac.

Real-time · Optics · PremiumFree this month

Rings of interference under a curved lens, swelling and shrinking as it presses on the glass.

Rings of interference under a curved lens, swelling and shrinking as it presses on the glass.

In the app you can adjust the light and lens curve. It runs natively on your Mac, drawn live in real time – no video, never quite the same twice.

Use it on your Mac

  1. Get SCRNSVRS free from the Mac App Store.
  2. Select Newton's Rings in the library.
  3. Click Set as Screensaver or Set as Wallpaper – or both.
Download on the Mac App StorePreview free · macOS Tahoe 26 or later

Newton's Rings FAQ

How do I set Newton's Rings as my screensaver on a Mac?

Install SCRNSVRS free from the Mac App Store, select Newton's Rings 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 Newton's Rings as a live wallpaper?

Yes. Click Set as Wallpaper in SCRNSVRS and Newton's Rings plays on your desktop behind your windows and icons. You can use it as screensaver and wallpaper at the same time.

Is Newton's Rings free?

Newton's Rings 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 Newton's Rings a video loop?

No. Newton's Rings 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 Newton's Rings 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 Newton's Rings costs next to nothing in everyday use.

Which Macs does Newton's Rings run on?

Newton's Rings needs macOS Tahoe 26 or later.

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