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Download Shuttle vs Progressive Downloader: catalog facts
Download Shuttle	Progressive Downloader
Free Free on the Mac App Store.	Free Free from the official site; a Mac App Store version costs 4.99 to support the developer.
macOS, Browser extension	macOS, Browser extension
Downloads files in parallel segments Supports pause, resume, and scheduled downloads	Multi-threaded downloads with mirror search Built-in FTP, SFTP and WebDAV browser
Requires macOS 13 or later.	macOS only Current version requires macOS 13 or newer
Downloadable app, Browser extension	Downloadable app, Browser extension
Closed source	Closed source
License not stated	License not stated
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 8, 2026	Official website Full listing and sources Checked September 23, 2026

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