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Home Assistant vs FHEM: catalog facts
Home Assistant	FHEM
Freemium The software is free and open source. Home Assistant Cloud (Nabu Casa) is an optional paid…	Free Free and open source under the GPL.
Self-hosted, Android, iOS, Web	Self-hosted
Local control, so many devices keep working with the internet down Integrations for thousands of device types across competing brands	Over 430 modules for many protocols Automatic device and log creation
It is a server you have to install, update and back up yourself Integration quality varies; some depend on undocumented vendor APIs	Needs an always-on server and extra radio hardware Configuration is technical
Self-hosted	Self-hosted
Open source	Open source
License: Apache-2.0	License: GPL
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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