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Domoticz vs Home Assistant Companion

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

Not the right match-up?
DO Domoticz Lightweight home automation system VS HO Home Assistant Companion Self-hosted backend pairing for Home Assistant mobile apps
FeatureDomoticzHome Assistant Companion
CategoryHome AutomationHome Automation
LicenseGPL-3.0Apache-2.0
LanguageC++Kotlin
Setup difficultyMediumEasy
Min. RAM256 MB64 MB
Deploymentdocker, bare-metalsource
GitHub stars★ 3,791★ 3,788
First released20122020
ReplacesSmartThingsGoogle Home app

Why pick each one

Choose Domoticz if…

  • Very lightweight
  • Good on Raspberry Pi
  • Stable
Domoticz details

Choose Home Assistant Companion if…

  • Turns phones into sensors
  • Tight HA integration
Home Assistant Companion details

Frequently asked questions

Is Domoticz or Home Assistant Companion better?

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

Are Domoticz and Home Assistant Companion free and open-source?

Yes. Domoticz is licensed under GPL-3.0 and Home Assistant Companion under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Domoticz and Home Assistant Companion with Docker?

Domoticz: yes. Home Assistant Companion: check the project docs for container support.

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