Navic is a modern Subsonic music streaming app for Android.

Features

Customisable: large selection of settings and tweaks
Secure & private: minimal permissions, zero telemetry, and zero analytics
Integrated: shows up on the lock screen + quick settings
Lightweight & fast: zero bloat
Feature rich: covers almost the entirety of the Subsonic API
Works offline: syncs your entire library locally, and allows you to download songs

Navic