Terms of Use

Acceptance

By installing or using the Circadian browser extension, you agree to these Terms of Use. If you do not agree, please uninstall the extension.

The extension

Circadian is a free browser extension that helps you understand and align with your circadian rhythm. It is provided "as is" without any warranty, express or implied.

Permitted use

You may use Circadian for personal, non-commercial purposes. You may not:

• Reverse-engineer, decompile, or modify the extension for redistribution
• Use the extension in any way that violates applicable laws
• Attempt to extract or misuse data processed by the extension

Health disclaimer

Circadian is a productivity and wellness tool. It is not a medical device and does not provide medical advice. The rhythm models it generates are estimates based on behavioral patterns — not clinical assessments. Do not use Circadian as a substitute for professional medical guidance.

Intellectual property

All rights in the Circadian extension, including its name, design, and code, are owned by Yahht. Nothing in these Terms grants you any rights to use Yahht's trademarks or branding.

Limitation of liability

To the fullest extent permitted by law, Yahht is not liable for any indirect, incidental, or consequential damages arising from your use of Circadian.

Changes

We may update these Terms from time to time. Continued use of the extension after changes are posted constitutes acceptance of the updated Terms.

Contact

Questions? Reach us at hi@yahht.com.