Terms of Use
Last updated: August 9, 2026
1. Acceptance
By using the iOS app "Hearth" (the "App") provided by ProtoductAI Inc. ("we"), you agree to these terms.
2. Subscriptions
Pro features are offered as auto-renewing subscriptions through the App Store. Purchases, cancellations, and refunds follow Apple's policies. Cancel at least 24 hours before the period ends via App Store settings. Deleting your Hearth account does not cancel your App Store subscription.
3. Health Disclaimer
The App does not provide medical advice, diagnosis, or treatment. Displayed values are estimates based on standard formulas and are not guaranteed. Consult a physician before starting any weight-loss program. Conversations with AI assistants are governed by the respective AI provider's terms.
4. Prohibited Conduct
Illegal use, reverse engineering, unauthorized access, and impersonation are prohibited.
5. Limitation of Liability
To the maximum extent permitted by law, we are not liable for damages arising from use of the App, except in cases of willful misconduct or gross negligence.
6. Changes
We may update these terms; updates take effect when posted on this page.