Home Assistant review 2026: explore this open-source smart home platform's 1,000+ integrations, local control, pricing and top alternatives.
Home Assistant is a free, open-source smart home automation platform originally created by Paulus Schoutsen in September 2013 and published on GitHub later that year. Over more than a decade it has grown into one of the most active open-source projects on GitHub, now powering over a million homes with more than 1,000 supported device and service integrations spanning Zigbee, Z-Wave, Matter, Thread and Wi-Fi.
Unlike commercial smart home hubs that route commands through a manufacturer's cloud, Home Assistant is built around local-first control, running entirely on hardware the user owns. Its sustainability comes from Nabu Casa, Inc, a commercial companion company founded in 2018 by the core Home Assistant team and headquartered in Irvine, California, whose sole product, Home Assistant Cloud, funds full-time development of the open-source project. Governance was formalized in 2024 under the nonprofit Open Home Foundation.
Home Assistant's dashboard is built on the customizable Lovelace UI framework, and its automation engine lets users build conditional rules across any connected device or sensor, regardless of manufacturer, since integrations are unified under a common data model. The Home Assistant Supervisor manages an add-on ecosystem for extending functionality, while HACS, a community-maintained store, provides additional custom integrations and dashboard elements beyond the official core distribution.
The platform includes native energy monitoring dashboards for tracking electricity, gas and solar generation, and Assist, a local voice assistant framework that lets users control their smart home by voice without sending audio to Amazon or Google. Official companion apps for iOS and Android provide remote dashboard access, location-based automation triggers and push notifications, and dedicated hardware like Home Assistant Green and Yellow gives less technical users a plug-and-play way to run the platform.
Home Assistant's core software is completely free and open source, with no feature restrictions or paywalls regardless of how it is installed, whether on a Raspberry Pi, a mini PC, a virtual machine, or official Home Assistant Green or Yellow hardware. Anyone can self-host the platform indefinitely at no cost.
The only paid offering is the optional Nabu Casa Home Assistant Cloud subscription, priced at approximately $6.50 per month or $65 per year, which adds secure remote access without manual router configuration, automated encrypted cloud backups, and one-click Amazon Alexa and Google Assistant voice integration. All revenue from this subscription funds ongoing development of the free, open-source core platform.
Home Assistant is an open-source smart home platform used to unify and automate control of smart devices, such as lights, sensors, locks and thermostats, from over 1,000 supported integrations under local, privacy-focused control.
Yes, the core Home Assistant software is completely free and open source with no feature restrictions. An optional Nabu Casa Cloud subscription costs about $6.50 per month or $65 per year for remote access and cloud backup convenience.
Home Assistant was created by Paulus Schoutsen, who started it as a personal Python project in September 2013 and published it publicly on GitHub later that year.
Nabu Casa, Inc is the commercial company founded by the Home Assistant team in 2018 that operates the optional Home Assistant Cloud subscription service, with all revenue funding full-time development of the open-source project.
No, Home Assistant runs and processes automations locally on user-owned hardware by default, so most core functionality continues working even without internet access.
Home Assistant offers broader device support, local-first processing and full user control since it is self-hosted and open source, while SmartThings and Google Home are simpler, cloud-dependent commercial hubs with narrower integration ecosystems.