Guides for your displays and windows
Practical answers to common Mac display, window and Universal Control problems, with macOS's own fixes first.
Fix a problem
- Monitor arrangement keeps changingWhy macOS moves your displays around after sleep or a reconnect, what to check first, and how to keep the arrangement.
- Windows move after sleepWhy your windows end up on the wrong screen after sleep or a reconnect, the free checks to try, and how to put them back.
- Universal Control not workingA step-by-step check for Universal Control that won't link, keeps disconnecting or sends the pointer across at the wrong edge.
Compare with other apps
- Universal Display Magnet vs MagnetTwo unrelated Mac apps with the same snapping shortcuts: when Magnet is enough, and when you also need tools for displays and workspaces.
- Universal Display Magnet vs RectangleFree Rectangle, paid Rectangle Pro and Universal Display Magnet: which one fits snapping, app layouts, display arrangement or several Macs.
- Universal Display Magnet vs MoomBoth save window layouts. Moom is built around custom window actions; Universal Display Magnet around your displays and all your Macs.
- Universal Display Magnet vs ChainYourMacA dedicated scrolling window manager, or one app for your displays, workspaces, Universal Control and a scrolling strip: who should choose which.
Help with Universal Display Magnet
- Getting startedFrom your Polar purchase to an activated app, the right permissions and a first saved layout.
- CompatibilityWhich Macs and macOS versions each feature is verified on, and what it depends on.
- License and updatesWhat you pay, where your purchase lives, how to move your license to a new Mac and how updates arrive.
- Mac syncDisplay arrangements, workspaces and each Mac's displays, synced directly between your Macs with no cloud.
Snap your desk into place
One-time purchase · Three Macs · macOS 14 or later