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Rectangle Pro vs SizeUp: catalog facts
Rectangle Pro	SizeUp
Paid One-time purchase after a free 10-day trial.	Paid $12.99 licence with an unlimited free trial.
macOS	macOS
Window throws to 16 positions with one key combination Custom sizes, positions and snap targets	Half and quarter screen actions from the keyboard Moves windows between multiple displays
macOS only Paid, unlike the free Rectangle	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.