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Grid vs Penc: catalog facts
Grid	Penc
Paid Paid licence for up to three Macs, with a one-week free trial.	Free Free download from GitHub releases.
macOS	macOS
Several ways to snap: gestures, shortcuts, dragging and menu bar Multi-monitor and rotated screen support	Move and resize windows with two-finger gestures Snap to halves and quarters with a fast swipe
macOS only Paid after a one-week trial	macOS only Needs a trackpad to be useful
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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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