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Opus 1 Music Player vs Local Player: catalog facts
Opus 1 Music Player	Local Player
Free Free and open source under the GPL-3.0-only license.	Free Free and open source under the MIT licence.
Android	Android
Organizes works and movements using music metadata Provides views by composer, performer, genre, and folder	Synchronized LRC and TTML lyrics Word-by-word lyric synchronization
Designed for Android	Android only Plays local files only, no streaming services
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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