Smart home
ESPHome privacy rating
Open source system for building custom firmware for ESP32, ESP8266 and other microcontrollers from YAML files, turning them into local smart home devices that integrate with Home Assistant.
Summary
ESPHome scores 80 out of 100 (grade B) on the smart home criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit. It is based in Switzerland: Not in the Five, Nine or Fourteen Eyes; GDPR-style data protection law.
Score 80 out of 100. How scoring works
Criteria
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Yes
Open source Weight 3 of 3
Is all the source code needed to run the product public?
The C++ runtime is GPL-3.0 and the Python tooling is MIT.
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Yes
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
No third-party trackers, and the source code has no telemetry. The website's self-hosted Plausible analytics are cookieless and aggregate-only.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Maintained by the Open Home Foundation, funded mainly by Home Assistant Cloud subscriptions, with no ads.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.