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Symfonium vs Neutron Music Player: catalog facts
Symfonium	Neutron Music Player
Paid One-time purchase with a free trial on Google Play; no subscription.	Paid Paid app.
Android	Android, iOS
Connects to many self-hosted media servers Hi-Res, DSD and USB DAC output with AutoEQ	High-resolution 32/64-bit audio engine Aimed at high-resolution music libraries
Android only Paid after the trial	Paid app Technical interface with many settings
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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