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Swish vs SizeUp: catalog facts
Swish	SizeUp
Paid Costs $16 with a free trial, or included in a Setapp subscription.	Paid $12.99 licence with an unlimited free trial.
macOS	macOS
Snap windows by swiping on the title bar Supports trackpad, Magic Mouse and keyboard	Half and quarter screen actions from the keyboard Moves windows between multiple displays
macOS only Paid after the trial	Stated compatibility ends at macOS 14 Sonoma Mac only
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account 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.