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beaTunes vs iVolume: catalog facts
beaTunes	iVolume
Paid Commercial application; trial available.	Paid Paid license, sold directly and on the Mac App Store.
Windows, macOS	Windows, macOS
Analyzes tempo, key, loudness and fingerprints Finds tag inconsistencies and acoustic duplicates	Uses Replay Gain to estimate perceived loudness Works with Apple Music and iTunes libraries on Mac and Windows
Paid commercial license Windows and macOS only	Tied to Apple Music or iTunes libraries Paid software
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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