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Penc vs Magnet: catalog facts
Penc	Magnet
Free Free download from GitHub releases.	Paid Sold through the Mac App Store with free updates.
macOS	macOS
Move and resize windows with two-finger gestures Snap to halves and quarters with a fast swipe	Drag-to-edge snapping as well as keyboard shortcuts Halves, thirds, quarters and full screen layouts
macOS only Needs a trackpad to be useful	Mac only Only available through the Mac App Store
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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