Compare software

Magnet vs SizeUp: catalog facts
Magnet	SizeUp
Paid Sold through the Mac App Store with free updates.	Paid $12.99 licence with an unlimited free trial.
macOS	macOS
Drag-to-edge snapping as well as keyboard shortcuts Halves, thirds, quarters and full screen layouts	Half and quarter screen actions from the keyboard Moves windows between multiple displays
Mac only Only available through the Mac App Store	Stated compatibility ends at macOS 14 Sonoma Mac only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.