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Retro Music Player vs Flac-R: catalog facts
Retro Music Player	Flac-R
Free Free and open source under the GPL 3.0.	Free Free and open source under the GPL-3.0.
Android	Android
Many themes and now playing layouts Gapless and crossfade playback	Supports MP3, FLAC, M4A, OGG, Opus and AAC Edits embedded album art
Android only Plays local files only, no streaming services	Android only Small, young project maintained by one developer
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it 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.