Your desktop folds
as the lid comes down.
You have seen an iPhone Duo shut — the screen bending away as the halves meet. Foldy brings that to the hinge on your desk: your desktop hangs still in the air while the lid falls from under it, frosting over as it goes.
One-time purchase · DMG and your Bubble Translate code right after checkout · One Mac per licence
Filmed on a MacBook Pro
No cuts. This is the app.
One take, a real lid, the effect as it ships. Tap to watch it with sound.
How it works
No hacks. Just the sensor.
Your MacBook already knows its hinge angle to the degree, 125 times a second. Foldy reads it and draws.
Hinge sensor
Reads the lid angle straight off Apple's own sensor at 125 Hz — the MagAlpha unit behind the hinge. No polling, no accessibility permissions, no guessing.
Live desktop
ScreenCaptureKit grabs your screen the moment the lid moves, then two Metal passes draw the fold into a click-through window above everything. Your windows and wallpaper move together.
Held in space
The picture keeps the pose your screen had while the panel falls away from it. Effect strength blends between flat-on-the-panel and rigidly-held-in-air, from 0 to 100%.
Seven glasses
Frosted, Textured, Fire, Liquid, Rain, Ice and Smoke. The sheet is thickest at the top and thins toward the hinge as you open — with bloom pooling where it's deepest.
Preview Fold
Hit ⌘P and watch the whole thing play out with the lid wide open. Show it off without closing anything.
Menu bar
Lives quietly up top. Switch glass, dial intensity and effect strength, or toggle it off — all without leaving the menu.
The fine print
What you need, and what we take.
macOS
14 Sonoma or later.
Hardware
Apple silicon MacBook with a lid angle sensor — every model since 2020, plus the 2019 16″ MacBook Pro.
Permissions
Screen Recording, so the desktop can be captured. Without it Foldy falls back to folding your wallpaper.
On device
Every frame is processed on your Mac. Nothing is recorded, saved or uploaded — ever.
No account
Pay once, download the DMG, drag it to Applications. Your key arrives by email and activates one Mac.
Close the lid. Watch it fold.
$4.99, once. Your licence key and download arrive the moment you pay.
DMG and your Bubble Translate code right after checkout · One Mac per licence