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mStream vs Supysonic: catalog facts
mStream	Supysonic
Free Free and open source, supported by sponsorships.	Free Free and open source.
Android, Web, Self-hosted	Self-hosted
Runs on low-power hardware like a Raspberry Pi Remote access without port forwarding	Works with Subsonic-compatible clients Transcoding for various audio formats
Music only Requires keeping your own server running	No bundled player app Smaller community than Navidrome or Airsonic
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
No account 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 September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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