SmartApp Bridge vs Pimatic
A side-by-side comparison of two self-hosted home automation options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | SmartApp Bridge | Pimatic |
|---|---|---|
| Deploy effort | Under-an-hour setup | Read-the-docs project |
| Health score | 82 · Excellent | 11 · At risk |
| Category | Home Automation | Home Automation |
| License | Apache-2.0 | GPL-2.0 |
| Language | Java | CoffeeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 256 MB |
| Deployment | docker, bare-metal | bare-metal, source |
| GitHub stars | ★ 2,066 | ★ 598 |
| First released | 2014 | 2013 |
| Replaces | SmartThings | SmartThings |
What are SmartApp Bridge and Pimatic?
SmartApp Bridge
A self-hosted automation engine that connects IoT devices and runs event-driven rules across protocols. It targets users who want a lightweight alternative to large home automation hubs.
- Event-driven rules
- Multi-protocol IoT
- Lightweight runtime
- Large add-on catalog
Pimatic
Pimatic is an open-source home automation framework built on Node.js that runs on low-power devices such as the Raspberry Pi. Plugins add device support, and a rule engine plus a mobile-friendly web UI handle control and automation.
- Plugin-based device support
- Rule engine
- Mobile-friendly web UI
- Runs on Raspberry Pi
SmartApp Bridge vs Pimatic: key differences
SmartApp Bridge is written in Java, while Pimatic is built with CoffeeScript. Licensing differs — Apache-2.0 for SmartApp Bridge versus GPL-2.0 for Pimatic. Pimatic is the lighter option, starting around 256 MB of RAM against 512 MB for SmartApp Bridge. SmartApp Bridge has the considerably larger community, at 2,066 GitHub stars versus 598. SmartApp Bridge lists first-class Docker deployment; Pimatic does not.
Why pick each one
Choose SmartApp Bridge if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Active community (2.1k GitHub stars)
- Written in Java
Choose Pimatic if…
- Lightweight
- Simple rule system
Watch out for
- Development has slowed
- Smaller community
Frequently asked questions
Is SmartApp Bridge or Pimatic better?
Neither is universally better. SmartApp Bridge has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are SmartApp Bridge and Pimatic free and open-source?
Yes. SmartApp Bridge is licensed under Apache-2.0 and Pimatic under GPL-2.0. Both can be self-hosted at no software cost.
Can I run SmartApp Bridge and Pimatic with Docker?
SmartApp Bridge: yes. Pimatic: check the project docs for container support.
Which is lighter on resources, SmartApp Bridge or Pimatic?
Pimatic has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for SmartApp Bridge. Real-world usage depends on library size, user count, and enabled features.