AppDaemon vs Z-Wave JS UI
A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | AppDaemon | Z-Wave JS UI |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 76 · Good | 83 · Excellent |
| Category | Home Automation | Home Automation |
| License | Apache-2.0 | MIT |
| Language | Python | Vue |
| Setup difficulty | Medium | Medium |
| Min. RAM | 256 MB | 256 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 969 | ★ 1,239 |
| First released | 2016 | 2018 |
| Replaces | SmartThings | SmartThings |
What are AppDaemon and Z-Wave JS UI?
AppDaemon
AppDaemon is a loosely coupled, multi-threaded, sandboxed Python execution environment for writing automation apps for Home Assistant and other systems. It enables complex logic beyond YAML automations.
- Python automation apps
- Sandboxed execution
- Dashboards via HADashboard
- Works with Home Assistant
Z-Wave JS UI
Z-Wave JS UI is a web interface and MQTT gateway built on the Z-Wave JS driver for managing Z-Wave networks. It exposes devices to home automation platforms and provides a control panel for configuration.
- Z-Wave network management
- MQTT gateway
- Web control panel
- Firmware update support
AppDaemon vs Z-Wave JS UI: key differences
AppDaemon is written in Python, while Z-Wave JS UI is built with Vue. Licensing differs — Apache-2.0 for AppDaemon versus MIT for Z-Wave JS UI. AppDaemon is the more established project (first released 2016), while Z-Wave JS UI arrived in 2018.
Why pick each one
Choose AppDaemon if…
- Powerful programmatic automations
- Full Python flexibility
Watch out for
- Requires Python knowledge
- Extra component to maintain
Choose Z-Wave JS UI if…
- Excellent Z-Wave support
- Integrates with Home Assistant
Watch out for
- Requires a Z-Wave controller
- Z-Wave only
Frequently asked questions
Is AppDaemon or Z-Wave JS UI better?
Neither is universally better. Z-Wave JS UI has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are AppDaemon and Z-Wave JS UI free and open-source?
Yes. AppDaemon is licensed under Apache-2.0 and Z-Wave JS UI under MIT. Both can be self-hosted at no software cost.
Can I run AppDaemon and Z-Wave JS UI with Docker?
AppDaemon: yes. Z-Wave JS UI: yes.