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Quill vs Altar: catalog facts
Quill	Altar
Freemium Free to download, with an enterprise offering for organisations.	Free Free to download; the homepage does not describe paid plans.
Windows, macOS, Android, iOS	Windows, macOS
Records and transcribes locally; audio stays on the computer No meeting bot joins the call	Speaker-labelled, timestamped live notes Searchable knowledge base built from meetings, docs and screen
Mobile apps are companions to the desktop app Paid tiers are not detailed on the homepage	No Linux or mobile apps mentioned Little public information on pricing and where data is processed
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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