evcc 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?
FeatureevccHome Assistant Companion
CategoryHome AutomationHome Automation
LicenseMITApache-2.0
LanguageGoKotlin
Setup difficultyMediumEasy
Min. RAM256 MB64 MB
Deploymentdocker, binarysource
GitHub stars★ 7,054★ 3,788
First released20192020
ReplacesSmartThingsGoogle Home app

Why pick each one

Choose evcc if…

  • Maximizes solar self-use
  • Wide hardware support
  • Lightweight
evcc details

Choose Home Assistant Companion if…

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

Frequently asked questions

Is evcc or Home Assistant Companion better?

Neither is universally better. evcc 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 evcc and Home Assistant Companion free and open-source?

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

Can I run evcc and Home Assistant Companion with Docker?

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

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