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MusicBee vs mpz: catalog facts
MusicBee	mpz
Free Free. Development is funded by donations; there is no paid tier.	Free Free and open source under the GPL-3.0.
Windows	Windows, macOS, Linux
Bulk tag editing and automatic metadata and artwork lookup Gapless playback with WASAPI and ASIO output for good hardware	No library import, plays directly from folders Gapless playback, including single-file albums with CUE sheets
Windows only, with no official macOS or Linux version Closed source and maintained by one developer	Folder-based approach does not suit people who browse by tags or artists Relies on codecs installed on the system
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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