Koel vs Mopidy
A side-by-side comparison of two self-hosted media servers options — licensing, setup difficulty, resource needs, and what each one replaces.
Koel
Personal music streaming server with an elegant interface
VS
Mopidy
Extensible music server that plays from many sources
| Feature | Koel | Mopidy |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 95 · Excellent | 92 · Excellent |
| Category | Media Servers | Media Servers |
| License | MIT | Apache-2.0 |
| Language | PHP | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 17,262 | ★ 8,587 |
| First released | 2016 | 2010 |
| Replaces | Spotify | Spotify |
What are Koel and Mopidy?
Koel
Koel is a personal music streaming server with a focus on a clean, modern web interface. It supports smart playlists, last.fm scrobbling, and streaming your own collection from any browser.
- Elegant web player
- Smart playlists
- Last.fm scrobbling
- Mobile companion app
Mopidy
Mopidy is an extensible music server written in Python that plays music from local disk, Spotify, SoundCloud, and other sources. It is controlled through MPD and web clients and is popular for DIY music players.
- Plays from multiple backends
- MPD protocol compatible
- Rich plugin ecosystem
- Web client support
Koel vs Mopidy: key differences
Koel is written in PHP, while Mopidy is built with Python. Licensing differs — MIT for Koel versus Apache-2.0 for Mopidy. Mopidy is the lighter option, starting around 256 MB of RAM against 512 MB for Koel. Mopidy is the more established project (first released 2010), while Koel arrived in 2016. Koel has the considerably larger community, at 17,262 GitHub stars versus 8,587.
Why pick each one
Choose Koel if…
- Beautiful interface
- Active community
Watch out for
- Needs a separate database
- Limited transcoding options
Choose Mopidy if…
- Highly extensible
- Great for Raspberry Pi projects
Watch out for
- No native UI
- Requires plugins for most features
Frequently asked questions
Is Koel or Mopidy better?
Neither is universally better. Koel has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Koel and Mopidy free and open-source?
Yes. Koel is licensed under MIT and Mopidy under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Koel and Mopidy with Docker?
Koel: yes. Mopidy: yes.
Which is lighter on resources, Koel or Mopidy?
Mopidy has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Koel. Real-world usage depends on library size, user count, and enabled features.