macOS is wonderful at many things. Window management was not one of them for a long time. Anyone who has dragged window corners around for thirty seconds just to see two documents side by side knows the pain. Apple has improved things, but third-party window managers still run circles around the built-in options for speed.
The good news is that fixing this takes about five minutes and very little money. Keyboard shortcuts and drag-to-snap turn window Tetris into muscle memory. We compared the five approaches Mac users actually stick with: two friendly snap tools, two keyboard-driven tilers, and Apple's own Stage Manager.
Rectangle
Rectangle is free, open source, and the first app many of us install on a new Mac. Drag windows to screen edges to snap them, or use keyboard shortcuts to throw windows into halves, thirds, and corners. It is light, reliable, and stays out of your way.
The trade-off is that it is a snapper, not a full layout manager. There are no saved multi-app layouts, no fancy rules per display, and tiling fans will find it basic. But basic is the point — it does the 90 percent job with zero cost and near-zero config.
Pick it if: you want free window snapping that just works from day one.
Magnet
Magnet is Rectangle's polished commercial cousin. The core idea is identical — drag to snap, shortcuts to arrange — but with a slicker menu bar UI, more grid options, and multi-monitor support that feels thought through. Setup takes minutes and the whole family can use it.
The honest question is whether it is worth paying for when Rectangle is free. Feature for feature, the gap is small: nicer visuals, slightly better multi-display handling, and a App Store update path. If free and open source matters to you, Rectangle wins. If you prefer paying a small one-time purchase for polish and support, Magnet is fair value.
Pick it if: you want snapping with a polished UI and are happy to pay a little for it.
AeroSpace
AeroSpace is a tiling window manager for people who live on the keyboard. Windows tile automatically into non-overlapping layouts, workspaces keep projects separated, and everything is configurable through a text file. It is fast, light on resources, and deeply satisfying once it clicks.
The catch is the learning curve. Tiling inverts how most Mac users think about windows, configuration means editing files, and some Mac apps with custom windows resist tiling. Give it a week before judging — the first two days feel strange for everyone.
Pick it if: you juggle terminals, editors, and browsers and want the keyboard to run the show.
Amethyst
Amethyst is the other free tiling option, and the more approachable one. It auto-tiles windows into classic layouts like tall, wide, and grid, with shortcuts to shuffle windows between frames. Setup is quicker than AeroSpace and you can toggle tiling per app or per space.
The downside is occasional friction with Mac quirks. Floating dialogs, screen sharing, and oddball Electron apps sometimes need exceptions, and the default shortcuts take tuning to feel natural. It is powerful but not quite set-and-forget.
Pick it if: you are tiling-curious and want a free way to try automatic layouts.
Stage Manager
Stage Manager is Apple's built-in answer: recent apps stack on the side while your current windows stay centered. It is already on your Mac, works with Mission Control and Spaces, and helps on small laptop screens where chaos piles up fast.
The trade-off is opinion. Stage Manager organizes things Apple's way, not yours, and many longtime Mac users bounce off it within a day. It does not snap windows into grids or tile them — it stages them, which is a different mental model that suits some workflows and irritates others.
Pick it if: you want something built-in and free, especially on a 13-inch laptop.
Which should you pick?
Match the tool to your style:
- Just make snapping work: Rectangle or Magnet
- Keyboard-first tiling: AeroSpace
- Try tiling without commitment: Amethyst
- Built-in and simple: Stage Manager
If you are unsure, start with Rectangle. It is free, takes minutes to learn, and solves the main annoyance immediately. Only graduate to AeroSpace or Amethyst if you catch yourself wishing windows arranged themselves — that itch means you are ready for tiling.
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