Compare software

mStream vs Polaris: catalog facts
mStream	Polaris
Free Free and open source, supported by sponsorships.	Free Free and open source.
Android, Web, Self-hosted	Web, Self-hosted
Runs on low-power hardware like a Raspberry Pi Remote access without port forwarding	Written in Rust Web client plus an API for other clients
Music only Requires keeping your own server running	Music only, no video support Requires running your own server
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
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 23, 2026

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