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Allavsoft vs 4K YouTube to MP3: catalog facts
Allavsoft	4K YouTube to MP3
Paid Free trial; the full version was listed at $19.99, down from $29.99.	Freemium Free to download and use, with paid Lite and Personal plans for extra features.
Windows, macOS	Windows, macOS, Linux
Batch downloads of video, music and subtitles Converts to many audio and video formats	Downloads whole playlists and channels as audio Supports many sites beyond YouTube
Paid after the trial Closed source	Some features require a paid plan Higher-quality YouTube audio requires a YouTube Premium membership
Downloadable app	Downloadable app
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 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.