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Archiver vs ShichiZip: catalog facts
Archiver	ShichiZip
Paid Paid app with a free download; also included in a Setapp subscription.	Free Free, with source code on GitHub.
macOS	macOS
Previews archives and extracts selected files AES-256 encrypted archives	Full 7-Zip format support Native macOS interface
macOS only Version 5 requires macOS 26	macOS only Small single-developer project
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 September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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