Koel vs Sonarr

A side-by-side comparison of two self-hosted media servers options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureKoelSonarr
CategoryMedia ServersMedia Servers
LicenseMITGPL-3.0-only
LanguagePHPC#
Setup difficultyMediumEasy
Min. RAM512 MB50 MB
Deploymentdocker, bare-metalbare-metal
GitHub stars★ 17,208★ 15,005
First released20162023
ReplacesSpotify

Why pick each one

Choose Koel if…

  • Beautiful interface
  • Active community
Koel details

Choose Sonarr if…

  • Released under the GPL-3.0-only license
  • Easy to set up — beginner-friendly
  • Mature project with 15k GitHub stars
  • Written in C#
Sonarr details

Frequently asked questions

Is Koel or Sonarr better?

Neither is universally better. Koel has the larger community, while Sonarr is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Koel and Sonarr free and open-source?

Yes. Koel is licensed under MIT and Sonarr under GPL-3.0-only. Both can be self-hosted at no software cost.

Can I run Koel and Sonarr with Docker?

Koel: yes. Sonarr: check the project docs for container support.

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