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Submariner vs Symfonium: catalog facts
Submariner	Symfonium
Free Free and open source under the 3-clause BSD license.	Paid One-time purchase with a free trial on Google Play; no subscription.
macOS	Android
Native Mac interface, not Electron Works with Subsonic and compatible servers	Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ
macOS only Needs a Subsonic-compatible server to be useful	Android only Paid after the trial
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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