Home Assistant Operating System vs Home Assistant Supervisor
A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Home Assistant Operating System | Home Assistant Supervisor |
|---|---|---|
| Deploy effort | ≈5-minute setup | Under-an-hour setup |
| Health score | 91 · Excellent | 86 · Excellent |
| Category | Home Automation | Home Automation |
| License | Apache-2.0 | Apache-2.0 |
| Language | Python | Python |
| Setup difficulty | Easy | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | one-click, bare-metal | docker, bare-metal |
| GitHub stars | ★ 7,492 | ★ 2,226 |
| First released | 2019 | 2017 |
| Replaces | SmartThings, Hubitat | SmartThings |
What are Home Assistant Operating System and Home Assistant Supervisor?
Home Assistant Operating System
Home Assistant Operating System is a minimal embedded OS designed to run the Home Assistant smart home platform with add-on support. It manages updates and add-ons through the Supervisor.
- Purpose-built OS for HA
- Add-on store via Supervisor
- Automatic updates
- Runs on Pi and x86
Home Assistant Supervisor
Home Assistant Supervisor is the component that manages the Home Assistant Core installation, add-ons, backups, and updates. It enables the add-on store that extends a Home Assistant system.
- Add-on store management
- Automated backups
- Update orchestration
- System health checks
Home Assistant Operating System vs Home Assistant Supervisor: key differences
Both projects are written in Python. Home Assistant Supervisor is the lighter option, starting around 512 MB of RAM against 1,024 MB for Home Assistant Operating System. Home Assistant Supervisor is the more established project (first released 2017), while Home Assistant Operating System arrived in 2019. Home Assistant Operating System has the considerably larger community, at 7,492 GitHub stars versus 2,226. Home Assistant Supervisor lists first-class Docker deployment; Home Assistant Operating System does not.
Why pick each one
Choose Home Assistant Operating System if…
- Easiest full-featured HA install
- Managed add-ons
Watch out for
- Takes over the whole device
- Less general-purpose
Choose Home Assistant Supervisor if…
- Enables one-click add-ons
- Simplifies maintenance
Watch out for
- Tied to supervised installs
- Not standalone
Frequently asked questions
Is Home Assistant Operating System or Home Assistant Supervisor better?
Home Assistant Operating System is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Home Assistant Supervisor if its specific feature set fits your needs better.
Are Home Assistant Operating System and Home Assistant Supervisor free and open-source?
Yes. Home Assistant Operating System is licensed under Apache-2.0 and Home Assistant Supervisor under Apache-2.0. Both can be self-hosted at no software cost.
Can I run Home Assistant Operating System and Home Assistant Supervisor with Docker?
Home Assistant Operating System: check the project docs for container support. Home Assistant Supervisor: yes.
Which is lighter on resources, Home Assistant Operating System or Home Assistant Supervisor?
Home Assistant Supervisor has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Home Assistant Operating System. Real-world usage depends on library size, user count, and enabled features.
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