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Swish vs Penc: catalog facts
Swish	Penc
Paid Costs $16 with a free trial, or included in a Setapp subscription.	Free Free download from GitHub releases.
macOS	macOS
Snap windows by swiping on the title bar Supports trackpad, Magic Mouse and keyboard	Move and resize windows with two-finger gestures Snap to halves and quarters with a fast swipe
macOS only Paid after the trial	macOS only Needs a trackpad to be useful
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 October 2, 2026

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