Best Mac Window Manager Apps for Multitasking
Window management on Mac can be frustrating — dragging windows by hand, manually resizing to halves or thirds, trying to organize multiple apps on multiple displays. Window manager apps solve this with keyboard shortcuts: snap windows to specific screen regions, move between displays instantly, and create organized workspaces.
This guide compares the top four Mac window managers: Rectangle, Magnet, BetterSnapTool, and Amethyst.
Quick Comparison
| Feature | Rectangle | Magnet | BetterSnapTool | Amethyst |
|---|---|---|---|---|
| Pricing | 🏆 Free | $7.99 | Free | Free |
| Snapping | Halves, thirds, quarters | 🏆 Customizable regions | Halves, thirds, quarters | Tiled layouts |
| Custom Shortcuts | 🏆 Full control | 🏆 Full control | 🏆 Full control | Limited |
| Move Between Screens | 🏆 Instant | Good | 🏆 Instant | Good |
| Undo/Redo | 🏆 Yes | No | Yes | No |
| UI | Menu bar settings | 🏆 Beautiful | Menu bar settings | Minimal |
| Best For | Most users | Aesthetics, beginners | Power users | Tiled workflow |
Rectangle: The Free Essential
What Rectangle Does Best
Rectangle is the essential window manager for Mac — and it's completely free. Use keyboard shortcuts to snap windows to halves, thirds, quarters, fourths, or custom regions. Perfect for most users who want organized windows without complexity.
Key Features:
- Window snapping: Halves, thirds, quarters, fourths, corners
- Move between screens: Send window to other display instantly
- Resize controls: Grow/shrink windows from any edge
- Center window: Perfect centering on screen
- Custom shortcuts: Map any keys to any actions
- Snap areas: Define custom screen regions
- Gentle animations: Smooth window movements
- Menu bar icon: Quick access to settings
Rectangle Pricing
🏆 Free forever — open source, donations accepted
Rectangle Pros
- ✅ Completely free
- ✅ Essential for multi-monitor setups
- ✅ Light, minimal resource usage
- ✅ Works perfectly with macOS
- ✅ Open source, auditable
Rectangle Cons
- ❌ No advanced features (tiled window manager has more)
- ❌ Limited customization (fine for most users)
- ❌ No beautiful UI (just menu bar)
Magnet: The Beautiful Choice
What Magnet Does Best
Magnet is a paid window manager with gorgeous design. It offers all the snapping features of Rectangle, plus customizable regions, edge snapping, and a beautiful UI. For users who care about aesthetics and don't mind paying, Magnet is compelling.
Key Features:
- Customizable regions: Create your own snap zones
- Edge snapping: Snap windows to edges of screen
- Grid system: Sixths, eighths, and more
- Multi-display support: Works across multiple monitors
- Keyboard shortcuts: Fully customizable
- Beautiful UI: Clean, modern settings panel
- Menu bar control: Quick access to all features
Magnet Pricing
$7.99 one-time — Mac App Store purchase
Magnet Pros
- ✅ Beautiful, polished UI
- ✅ Most customizable regions
- ✅ Edge snapping (unique feature)
- ✅ One-time purchase (no subscription)
- ✅ Excellent multi-monitor support
Magnet Cons
- ❌ Not free (Rectangle is)
- ❌ $7.99 for basic functionality
- ❌ No undo/redo
BetterSnapTool: The Power User Choice
What BetterSnapTool Does Best
BetterSnapTool is a free, open-source window manager with advanced features beyond Rectangle. It offers undo/redo, edge snapping, center window, and more power user options. If Rectangle feels limited, BetterSnapTool is your next step.
Key Features:
- Standard snapping: Halves, thirds, quarters
- Edge snapping: Snap to screen edges
- Undo/Redo: Recall last window position
- Center window: Perfect centering
- Move between screens: Send window to other display
- Custom shortcuts: Map any keys to any actions
- Menu bar settings: Quick access to all options
BetterSnapTool Pricing
🏆 Free forever — open source
BetterSnapTool Pros
- ✅ Completely free
- ✅ More features than Rectangle
- ✅ Undo/Redo functionality
- ✅ Edge snapping
- ✅ Open source, auditable
BetterSnapTool Cons
- ❌ Less refined than Rectangle
- ❌ Fewer active users (smaller community)
- ❌ No beautiful UI (menu bar only)
Amethyst: The Tiled Window Manager
What Amethyst Does Best
Amethyst is for serious power users — a tiled window manager that automatically arranges windows in layouts like you'd see on Linux. Windows snap into predefined tiles (columns, rows, grid, bsp) without manual dragging. For users who want completely automated window management, Amethyst is the ultimate choice.
Key Features:
- Tiled layouts: Columns, rows, grid, bsp
- Automatic arrangement: No manual dragging needed
- Layout switching: Switch between columns, rows, grid
- Screen-specific layouts: Different layouts per monitor
- Focus management: Focus specific windows with keyboard
- Gaps and padding: Customize spacing between windows
- Open source: Fully customizable via settings
Amethyst Pricing
🏆 Free forever — open source
Amethyst Pros
- ✅ Completely free
- ✅ Fully automated window management
- ✅ Multiple layout algorithms (4+)
- ✅ Perfect for power users
- ✅ Open source, extensible
Amethyst Cons
- ❌ Steepest learning curve
- ❌ Not for casual users
- ❌ Limited to tiled workflow (no manual snapping)
- ❌ Can be buggy with some apps
Which Should You Choose?
Choose Rectangle If:
- 🎯 You want free: Rectangle is completely free
- 🎯 You're new to window managers: Rectangle is easiest
- 🎯 You want essential features: Rectangle covers 90% of needs
- 🎯 You prefer open source: Fully auditable code
- 🎯 You don't need advanced features: Simple is better
Choose Magnet If:
- 🎯 You want beautiful UI: Magnet is polished
- 🎯 You want edge snapping: Unique feature
- 🎯 You want customizable regions: Create exact snap zones
- 🎯 You don't mind paying: $7.99 is reasonable
- 🎯 You want one-time purchase: No subscription
Choose BetterSnapTool If:
- 🎯 You want Rectangle features + undo: All of Rectangle + more
- 🎯 You want edge snapping: Snap to screen edges
- 🎯 You want free: BetterSnapTool is free
- 🎯 You're okay with less polished UI: Power over aesthetics
Choose Amethyst If:
- 🎯 You want tiled management: Automatic window arrangement
- 🎯 You're coming from Linux: Familiar tiling workflow
- 🎯 You want multiple layouts: Columns, rows, grid, bsp
- 🎯 You're a power user: Willing to learn complex system
- 🎯 You hate manual window management: Fully automated
My Recommendation
| User Type | Winner | Why |
|---|---|---|
| Beginner | 🏆 Rectangle | Easiest to learn, completely free |
| Aesthetic-focused | 🏆 Magnet | Beautiful UI, edge snapping |
| Power user | 🏆 Amethyst | Tiled management, fully automated |
| Wants Rectangle + undo | 🏆 BetterSnapTool | All Rectangle features + undo/redo |
| Most users | 🏆 Rectangle | Essential features, free, perfect fit |
| Willing to pay for polish | 🏆 Magnet | Beautiful, refined experience |
My Personal Setup
I use Rectangle because:
- It does everything I need
- It's completely free
- Works flawlessly with macOS
- Perfect for my multi-monitor setup
I've tried Magnet (beautiful but not $8 better than Rectangle) and Amethyst (too complex for my needs). Rectangle is the sweet spot.
Setup Tips
- ✅ Disable macOS window animations: Snapping feels instant
- ✅ Create custom shortcuts: Map to ergonomic keys
- ✅ Use with multiple monitors: Essential for productivity
- ✅ Experiment with layouts: Find what works for your workflow
Conclusion
Window managers transform multi-window Mac usage from frustrating to effortless. Rectangle is the best free choice for 90% of users. Magnet adds polish for those willing to pay. Amethyst provides completely automated tiled management for serious power users.
Start with Rectangle — it's free, essential, and will immediately boost your productivity. Upgrade later if you outgrow it.
Affiliate Disclosure: This article contains affiliate links to recommended apps. If you purchase, I may earn a commission at no extra cost.