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Seam vs Peninsula: catalog facts
Seam	Peninsula
Paid One-time purchase of $19.90.	Free Free and open source under the GPL-3.0.
macOS	macOS
Features can be enabled one at a time Local voice transcription and translation	Cmd-Tab replacement for window switching Notification counts shown at the notch
macOS only Paid app with no free tier mentioned	Requires Accessibility permission and manual trust of the app Small one-person project with occasional updates
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it 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.