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Stacher vs Azul Box: catalog facts
Stacher	Azul Box
Freemium The yt-dlp GUI is free without limits; optional Stacher Premium supports the project.	Free Free and open source under the GPL-3.0.
Windows, macOS, Linux	Linux
Point-and-click access to yt-dlp options Can install and manage yt-dlp and ffmpeg	Graphical front end for yt-dlp and ffmpeg MusicBrainz metadata for downloaded music
Linux builds target Debian-based distributions Relies on third-party yt-dlp and ffmpeg	Linux only Small single-developer project
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
No account needed	No account needed
Not stated if it works offline	Not stated if it 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.