Airsonic vs Polaris
A side-by-side comparison of two self-hosted media servers options — licensing, setup difficulty, resource needs, and what each one replaces.
Airsonic
Archived
Free, web-based media streamer derived from Subsonic
VS
Polaris
Music streaming server focused on speed and simplicity
| Feature | Airsonic | Polaris |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 15 · At risk | 75 · Good |
| Status | Archived | Actively maintained |
| Category | Media Servers | Media Servers |
| License | GPL-3.0 | MIT |
| Language | Java | Rust |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 128 MB |
| Deployment | docker, bare-metal | docker, binary, bare-metal |
| GitHub stars | ★ 2,045 | ★ 2,731 |
| First released | 2017 | 2017 |
| Replaces | Spotify | Spotify |
What are Airsonic and Polaris?
Airsonic
Airsonic is a free, web-based media streamer providing access to your music collection from anywhere. It is the community fork of Subsonic and supports the Subsonic API for use with many client apps.
- Subsonic API support
- Multi-user with roles
- On-the-fly transcoding
- Podcast support
Polaris
Polaris is a self-hosted music streaming application written in Rust, designed to be fast and easy to set up. It lets you browse and stream your music collection from a clean web interface or compatible clients.
- Written in Rust for speed
- Simple setup
- Last.fm integration
- Collection browsing
Airsonic vs Polaris: key differences
The biggest difference is maintenance: Airsonic's repository is archived and no longer developed, while Polaris is actively maintained. Airsonic is written in Java, while Polaris is built with Rust. Licensing differs — GPL-3.0 for Airsonic versus MIT for Polaris. Polaris is the lighter option, starting around 128 MB of RAM against 512 MB for Airsonic.
Why pick each one
Choose Airsonic if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Active community (2k GitHub stars)
- Written in Java
Watch out for
- Original repo less active
- Java memory usage
Choose Polaris if…
- Low resource usage
- Single binary deployment
Watch out for
- Smaller ecosystem
- Fewer client options
Frequently asked questions
Is Airsonic or Polaris better?
Polaris is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Airsonic if its specific feature set fits your needs better.
Are Airsonic and Polaris free and open-source?
Yes. Airsonic is licensed under GPL-3.0 and Polaris under MIT. Both can be self-hosted at no software cost.
Can I run Airsonic and Polaris with Docker?
Airsonic: yes. Polaris: yes.
Which is lighter on resources, Airsonic or Polaris?
Polaris has the smaller minimum footprint at 128 MB of RAM, compared to about 512 MB for Airsonic. Real-world usage depends on library size, user count, and enabled features.