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Home Assistant Supervisor vs SmartApp Bridge

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?
HO Home Assistant Supervisor Manages the Home Assistant add-on ecosystem VS SM SmartApp Bridge Self-hosted automation engine for IoT devices
FeatureHome Assistant SupervisorSmartApp Bridge
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score86 · Excellent82 · Excellent
CategoryHome AutomationHome Automation
LicenseApache-2.0Apache-2.0
LanguagePythonJava
Setup difficultyMediumMedium
Min. RAM512 MB512 MB
Deploymentdocker, bare-metaldocker, bare-metal
GitHub stars★ 2,226★ 2,066
First released20172014
ReplacesSmartThingsSmartThings

What are Home Assistant Supervisor and SmartApp Bridge?

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

Read the full Home Assistant Supervisor guide →

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

Home Assistant Supervisor vs SmartApp Bridge: key differences

Home Assistant Supervisor is written in Python, while SmartApp Bridge is built with Java. SmartApp Bridge is the more established project (first released 2014), while Home Assistant Supervisor arrived in 2017.

Why pick each one

Choose Home Assistant Supervisor if…

  • Enables one-click add-ons
  • Simplifies maintenance

Watch out for

  • Tied to supervised installs
  • Not standalone
Home Assistant Supervisor details

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
SmartApp Bridge details

Frequently asked questions

Is Home Assistant Supervisor or SmartApp Bridge better?

Neither is universally better. Home Assistant Supervisor has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Home Assistant Supervisor and SmartApp Bridge free and open-source?

Yes. Home Assistant Supervisor is licensed under Apache-2.0 and SmartApp Bridge under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Home Assistant Supervisor and SmartApp Bridge with Docker?

Home Assistant Supervisor: yes. SmartApp Bridge: yes.

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