RainGlyph
Digital rain for macOS
Here is the thing about digital rain apps — most of them are either a screensaver that locks your screen or a GPU hog you close after ten minutes. RainGlyph renders behind your desktop icons via Metal, runs all day on single-digit CPU, and keeps no data anywhere.
Guides
Wallpaper apps, true screensavers, cmatrix, and a free web version — every real option compared, with screenshots.
Why legacyScreenSaver keeps using CPU after a third-party screensaver closes, what Apple has said, and what you can do.
Questions
What does RainGlyph do?
It draws Matrix-style digital rain on your Mac. In wallpaper mode the rain runs behind your desktop icons and clicks pass straight through; in fullscreen mode it covers the screen until you press Esc or move the mouse.
What does it cost, and where do I get it?
RainGlyph is $2.99 on the Mac App Store, listed there as “Rain Glyph”. Apple handles the purchase and any refund.
Which Macs does it run on?
macOS 15.2 or later, on Apple Silicon. Intel Macs can run it through Rosetta.
Will it slow my Mac down?
It renders on the GPU through Metal at about 30 fps and stays at single-digit CPU on Apple Silicon, so it is built to stay on all day.
Does RainGlyph collect any data?
No. There are no network calls, analytics, telemetry or ads in the app, and your preferences stay in local macOS settings on your Mac.
What can I customise?
Six character sets (katakana, Cyrillic, binary and hex among them), the font, colours per element, an optional phrase in its own colour, animation speed, and effect presets. Open them from the R icon in the menu bar, then Settings.