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Loop vs Rectangle: catalog facts
Loop	Rectangle
Free Free and open source, with optional donations.	Freemium Rectangle is free and open source under the MIT licence. Rectangle Pro is a separate paid…
macOS	macOS
Radial menu for picking window positions quickly Keyboard shortcuts as well as mouse-driven selection	Keyboard shortcuts and drag-to-edge snap areas, both configurable Thirds and two-thirds layouts, not just halves
Requires macOS 13 or later macOS only	macOS 10.15 or newer Needs accessibility permissions, which people are rightly cautious about
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
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 21, 2026

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