macOS has quietly grown four different ways to arrange your windows. Mission Control is the overview. Spaces are virtual desktops. Stage Manager tucks everything you are not using into a strip. And since Sequoia, the system finally tiles windows to the screen edges on its own. Nobody explains how they fit together, so most people adopt one, ignore the other three, and assume the rest are not for them.
They are not competitors, though. They are layers, and a couple are genuinely useful once you know which job each is for. So here is what each does, when it helps, when it fights you, and which to combine or switch off.
Mission Control is the map, not the desk
Mission Control is the oldest piece and the one I would learn first. Swipe up with three or four fingers, press ⌃ ↑, or tap the Mission Control key, and every open window on the current Space spreads out so nothing overlaps. Along the top sits the Spaces bar. It is a view you summon, glance at, and dismiss.
- ⌃ ↑, or a three-finger swipe up, opens it; Esc closes it. One of the keys worth committing to muscle memory.
- Drag a window onto a Space thumbnail at the top to send it to that desktop.
- Swipe down, or press ⌃ ↓, to spread out just the front app's windows.
Mission Control does not arrange anything for you. It is a map, not a desk. Use it to find the window you lost and to shuffle windows between Spaces, then get out. It also pairs with a hot corner, set under System Settings, Desktop and Dock, so nudging the mouse into a screen corner opens it.
Spaces, done on purpose
Spaces are virtual desktops. Open Mission Control, click the plus at the right of the Spaces bar, and you have a second desktop to switch to with ⌃ ← and ⌃ →, or a sideways three-finger swipe. You can have up to sixteen, though if you are reaching for the sixteenth we should probably talk.
The trap is treating Spaces as extra room for more mess: several desktops of random windows are worse than one, because you cannot remember which pile is where. Spaces reward intent, one per context, not one per window. What makes them work is assigning apps. Control-click an app in the Dock, choose Options, and under Assign To pick This Desktop to pin it in place, or All Desktops for the app you always want in reach. Now it opens where it belongs instead of ambushing you mid-task, and full-screen apps get their own Space automatically.
An overview you summon: every open window on the current Space spreads out so nothing overlaps, then you dismiss it.
Virtual desktops you switch between, one per context rather than one per window.
Your current window takes center stage while the rest shrink into a strip of thumbnails on the left.
Three layers, not rivals; each suits a different way of working.
The honest take on Stage Manager
Stage Manager arrived in Ventura in 2022, and it is the most divisive thing here. Turn it on from Control Center and your current window takes center stage while everything else shrinks into a strip of thumbnails on the left. Click a thumbnail to swap it in, and the old one slides back to the strip.
The honest split: if you work in one or two windows at a time and want the rest out of sight without going full-screen, Stage Manager is genuinely nice, especially on a small laptop where overlap is the enemy. If you keep six windows visible and glance between them, it fights you, hiding the one you wanted and adding a click to every switch. I am in the second camp, so it stays off on my Mac. A preference, not a verdict.
No cost to trying it. Stage Manager is one toggle in Control Center, so give it a day and decide. If you like the focus but not the thumbnail strip eating your left margin, Customize under System Settings, Desktop and Dock, hides it until you reach for it.
Real tiling, and whether you still need Rectangle
For years the loudest Mac complaint was that it could not snap a window to half the screen the way Windows had done forever. Sequoia fixed that in 2024. Drag a window to a side edge and it tiles to that half, or into a corner for a quarter, with a ghost outline showing where it lands. Hold ⌥ while dragging to snap without reaching the edge, and the Window menu, under Move and Resize, lists every arrangement.
Where the shortcuts live. The tiling keyboard shortcuts are the one thing I will hedge on, because the defaults have shifted between releases. They currently hang off the Globe or fn key with ⌃ and an arrow. Rather than trust my memory, open the Window menu, Move and Resize, where macOS prints the exact shortcut for your Mac and lets you rebind it in System Settings, Keyboard.
So do you still need Rectangle or Magnet? For most people, no, which is a real change from two years ago. If you want halves, quarters, and the odd full-screen, the built-in tiling covers it and saves a menu bar icon. The third-party tools still win for power tilers: thirds and sixths, fully custom shortcuts, and finer control over sizing and gaps.
| Feature | Built-in (Sequoia) | Rectangle | Magnet |
|---|---|---|---|
| Price | Free with macOS | Free, open source | Paid, App Store |
| Halves and quarters | Yes | Yes | Yes |
| Thirds and sixths | No | Yes | Thirds only |
| Keyboard shortcuts | Yes, adjustable | Fully custom | Limited |
| Drag to an edge | Yes | Yes | Yes |
| Custom sizes and gaps | Basic | Yes | No |
Rectangle is free, open source, and in 2026 does more than Magnet's paid version, so if you outgrow the built-in tiling it is the first thing I would install. It earns its spot on my roundup of the best free Mac apps for that reason. Magnet, a few dollars on the App Store, is fine if you prefer to buy through Apple.
A setup that holds together
The setup I would actually recommend uses less than you would think:
- Keep Mission Control as your overview and give it a hot corner. Never turn this one off.
- Run two or three Spaces with real purpose, and assign your always-on apps to them.
- Lean on built-in tiling day to day; add Rectangle only if you want thirds and keyboard control.
- Try Stage Manager for a day, and keep it only if it clicks.
The thread running through all of this is that your windows are supposed to move. They tile, hide, slide between Spaces, and vanish into full-screen. The one thing that should not move is where you keep what you need while you juggle them. That is the gap Droppy fills: it lives at the top-center notch and stays put across every Space and every full-screen app, so your file shelf, clipboard history, and music controls stay in one place while everything else shifts. If you run an external display, the same notch guide covers that.
Learn the four, keep the two or three that suit you, and switch off the rest without guilt. Window management on the Mac is not one feature to master. It is a small toolkit, and the skill is knowing which tool to leave in the drawer.