End User License Agreement

This End User License Agreement ("Agreement" or "EULA") is a legal agreement between you ("you" or "User") and Tinh LLC, a Delaware limited liability company ("Tinh," "we," "us," or "our"), governing your use of the Tinh application for macOS and iOS ("the App"), including any updates, supplements, and related services.

By installing, accessing, or using the App, you agree to be bound by the terms of this Agreement. If you do not agree to these terms, do not install or use the App.

1. License Grant

Subject to the terms of this Agreement, Tinh grants you a limited, non-exclusive, non-transferable, revocable license to download, install, and use the App on devices that you own or control, for your personal, non-commercial use.

You may not:

Copy, modify, or distribute the App or any part of it
Reverse engineer, decompile, or disassemble the App, except to the extent permitted by applicable law
Rent, lease, lend, sell, sublicense, or otherwise transfer the App or your rights under this Agreement to any third party
Remove, alter, or obscure any proprietary notices, labels, or marks on the App
Use the App for any unlawful purpose or in violation of any applicable laws or regulations

2. Subscriptions and Payments

The App is available on a subscription basis. Subscription plans, pricing, and free trial terms are presented within the App and on the Apple App Store.

Billing: All subscriptions are billed through Apple's App Store. We do not directly process or store any payment information.
Free trial: New subscribers may be eligible for a free trial period. If you do not cancel before the trial ends, your subscription will automatically convert to a paid subscription.
Renewal: Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current billing period.
Cancellation: You can manage or cancel your subscription at any time through your Apple ID account settings. Cancellation takes effect at the end of the current billing period.
Refunds: Refund requests are handled by Apple in accordance with their refund policies.

Subscription terms are additionally subject to Apple's Terms and Conditions.

3. Intellectual Property

The App, including its design, code, features, content, graphics, and documentation, is owned by Tinh LLC and is protected by copyright, trademark, and other intellectual property laws. This Agreement does not grant you any ownership interest in the App -- only a limited license to use it as described above.

The Tinh name, logo, and all related names, logos, product and service names, designs, and slogans are trademarks of Tinh LLC. You may not use these marks without our prior written permission.

4. Your Data

All journal entries, health data, and analysis results are stored locally on your device. You retain full ownership of your data. Tinh does not access, collect, or transmit your personal data from the App. For complete details on how we handle data, please review our Privacy Policy.

You are solely responsible for maintaining backups of your data. We recommend using the App's export feature regularly.

Health and Medical Disclaimer

The App is categorized as a Health and Fitness application. It is designed to help you log personal health information and identify patterns in your daily habits. However:

Tinh is not a medical device. It has not been evaluated, cleared, or approved by the U.S. Food and Drug Administration (FDA) or any other regulatory body.
Tinh does not provide medical advice. The correlations, patterns, and insights generated by the App are based on statistical analysis of your self-reported data and should not be interpreted as medical diagnoses, treatment recommendations, or professional health advice.
Tinh is not a substitute for professional medical care. Always consult a qualified healthcare provider before making decisions about your health, diet, exercise, medication, or treatment based on information from any source, including this App.
Do not disregard professional medical advice or delay seeking it because of something you observed in the App.
Nutritional data is approximate. Food identification and nutrient calculations are based on automated matching against reference databases and may not be accurate for your specific foods, portions, or preparations.

If you are experiencing a medical emergency, call your local emergency services immediately. Do not rely on this App for emergency medical situations.

5. Apple HealthKit Data

If you choose to grant the App access to Apple HealthKit data, you acknowledge that:

HealthKit data is accessed in read-only mode and used solely for on-device correlation analysis
HealthKit data is never transmitted outside your device
HealthKit data is not used for advertising or marketing purposes
HealthKit data is not sold or shared with third parties
You can revoke HealthKit access at any time through your device's Settings

Use of HealthKit data is additionally subject to Apple's Developer Program License Agreement.

6. Disclaimer of Warranties

THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE," WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, AND NON-INFRINGEMENT.

Without limiting the foregoing, Tinh does not warrant that:

The App will meet your specific requirements or expectations
The App will be uninterrupted, timely, secure, or error-free
The results obtained from the App, including health correlations and pattern analysis, will be accurate, reliable, or complete
Any errors in the App will be corrected

You use the App at your own risk. Any data, analysis, or insights obtained through the App are used at your sole discretion and risk.

7. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL TINH LLC, ITS OFFICERS, MEMBERS, EMPLOYEES, AGENTS, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF DATA, LOSS OF PROFITS, PERSONAL INJURY, OR PROPERTY DAMAGE, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF OR INABILITY TO USE THE APP, REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT, NEGLIGENCE, STRICT LIABILITY, OR OTHERWISE) AND EVEN IF TINH HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, TINH'S TOTAL CUMULATIVE LIABILITY TO YOU FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE APP SHALL NOT EXCEED THE AMOUNT YOU HAVE PAID TO TINH FOR THE APP IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR FIFTY DOLLARS ($50.00), WHICHEVER IS GREATER.

Some jurisdictions do not allow the exclusion or limitation of certain warranties or liability. In such jurisdictions, the above limitations shall apply to the fullest extent permitted by law.

8. Indemnification

You agree to indemnify, defend, and hold harmless Tinh LLC and its officers, members, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable attorneys' fees) arising out of or in connection with your use of the App, your violation of this Agreement, or your violation of any rights of a third party.

9. Termination

This Agreement is effective until terminated. Your rights under this Agreement will terminate automatically without notice if you fail to comply with any of its terms. Upon termination:

You must cease all use of the App
You must delete all copies of the App from your devices
Data stored locally on your device remains yours -- we recommend exporting it before uninstalling

Tinh may also terminate or suspend your access to the App at any time, with or without cause, and with or without notice. Sections 3, 4, 6, 7, 8, 10, and 11 survive termination of this Agreement.

10. Governing Law and Dispute Resolution

This Agreement shall be governed by and construed in accordance with the laws of the State of Delaware, without regard to its conflict of law principles.

Any dispute arising out of or relating to this Agreement or the App shall be resolved in the state or federal courts located in the State of Delaware, and you consent to the personal jurisdiction of such courts.

11. General Provisions

Entire agreement: This Agreement, together with the Privacy Policy, constitutes the entire agreement between you and Tinh regarding the App and supersedes all prior agreements and understandings.
Severability: If any provision of this Agreement is found to be unenforceable, the remaining provisions will continue in full force and effect.
Waiver: Our failure to enforce any right or provision of this Agreement does not constitute a waiver of that right or provision.
Assignment: You may not assign or transfer this Agreement without our prior written consent. Tinh may assign this Agreement without restriction.
Modifications: We reserve the right to modify this Agreement at any time. Changes will be posted at tinh.io/eula. Your continued use of the App after changes are posted constitutes acceptance of the modified Agreement.

12. Apple-Specific Terms

If you downloaded the App from the Apple App Store, the following additional terms apply:

This Agreement is between you and Tinh LLC only, not with Apple Inc. Tinh LLC is solely responsible for the App and its content.
Apple has no obligation to provide maintenance or support services for the App.
In the event of any failure of the App to conform to any applicable warranty, you may notify Apple, and Apple will refund the purchase price (if any). To the maximum extent permitted by law, Apple has no other warranty obligation with respect to the App.
Apple is not responsible for addressing any claims relating to the App, including product liability claims, regulatory compliance, or intellectual property infringement.
Apple and its subsidiaries are third-party beneficiaries of this Agreement and, upon your acceptance, will have the right to enforce it against you.

13. Contact Us

If you have questions about this Agreement:

Tinh LLC
Email: info@tinh.io
Website: tinh.io

Effective date: April 3, 2026