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Allavsoft vs scdl: catalog facts
Allavsoft	scdl
Paid Free trial; the full version was listed at $19.99, down from $29.99.	Free Free and open source.
Windows, macOS	Windows, macOS, Linux, Command line
Batch downloads of video, music and subtitles Converts to many audio and video formats	Sets ID3 tags on downloaded tracks Builds on yt-dlp
Paid after the trial Closed source	Development is not active Command line only
Downloadable app	Downloadable app
Closed source	Open 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	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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