evcc 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.
evcc
Solar-aware electric vehicle charging controller
VS
Home Assistant Supervisor
Manages the Home Assistant add-on ecosystem
| Feature | evcc | Home Assistant Supervisor |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 86 · Excellent |
| Category | Home Automation | Home Automation |
| License | MIT | Apache-2.0 |
| Language | Go | Python |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 512 MB |
| Deployment | docker, binary | docker, bare-metal |
| GitHub stars | ★ 7,283 | ★ 2,226 |
| First released | 2019 | 2017 |
| Replaces | SmartThings | SmartThings |
What are evcc and Home Assistant Supervisor?
evcc
evcc is an open-source EV charging controller that optimizes charging around solar production and electricity prices. It targets EV owners with solar or dynamic tariffs. It is deployed via Docker or a binary.
- Solar-optimized EV charging
- Dynamic tariff support
- Many wallbox integrations
- Home Assistant integration
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
evcc vs Home Assistant Supervisor: key differences
Evcc is written in Go, while Home Assistant Supervisor is built with Python. Licensing differs — MIT for evcc versus Apache-2.0 for Home Assistant Supervisor. Evcc is the lighter option, starting around 256 MB of RAM against 512 MB for Home Assistant Supervisor. Home Assistant Supervisor is the more established project (first released 2017), while evcc arrived in 2019. Evcc has the considerably larger community, at 7,283 GitHub stars versus 2,226.
Why pick each one
Choose evcc if…
- Maximizes solar self-use
- Wide hardware support
- Lightweight
Watch out for
- Niche use case
- Requires compatible hardware
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 evcc or Home Assistant Supervisor better?
Neither is universally better. evcc has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are evcc and Home Assistant Supervisor free and open-source?
Yes. evcc is licensed under MIT and Home Assistant Supervisor under Apache-2.0. Both can be self-hosted at no software cost.
Can I run evcc and Home Assistant Supervisor with Docker?
evcc: yes. Home Assistant Supervisor: yes.
Which is lighter on resources, evcc or Home Assistant Supervisor?
evcc has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Home Assistant Supervisor. Real-world usage depends on library size, user count, and enabled features.