Terms of Service for Hazel

Last Updated: December 5, 2025

Effective Date: December 5, 2025

PLEASE READ THESE TERMS OF SERVICE CAREFULLY. BY DOWNLOADING, INSTALLING, ACCESSING, OR USING THE HAZEL APPLICATION, YOU AGREE TO BE BOUND BY THESE TERMS OF SERVICE AND OUR PRIVACY POLICY. IF YOU DO NOT AGREE TO ALL OF THESE TERMS, DO NOT USE THE APP.

THESE TERMS CONTAIN AN ARBITRATION AGREEMENT AND CLASS ACTION WAIVER THAT AFFECT YOUR LEGAL RIGHTS. PLEASE READ SECTION 15 CAREFULLY.

1. Agreement to Terms

These Terms of Service ("Terms") constitute a legally binding agreement between you ("User," "you," or "your") and Hazel ("Company," "we," "our," or "us") governing your use of the Hazel mobile application ("App") and all related services.

By using the App, you represent that:

You are at least 18 years old, or at least 13 years old with parental consent
You have the legal capacity to enter into this agreement
You are not prohibited from using the App under applicable law
All information you provide is accurate and truthful

2. Description of Service

Hazel is a personal health tracking and wellness application that allows users to:

Log and track symptoms, medications, supplements, and lifestyle factors
Record thyroid lab results
Log meals and receive AI-powered food analysis
View correlations and insights based on logged data
Generate reports for personal use

3. CRITICAL MEDICAL AND HEALTH DISCLAIMER

⚠️ READ THIS SECTION CAREFULLY - IT IS ESSENTIAL TO YOUR UNDERSTANDING OF THE APP

3.1 Not Medical Advice

THE APP IS NOT A MEDICAL DEVICE AND DOES NOT PROVIDE MEDICAL ADVICE, DIAGNOSIS, OR TREATMENT. The App is intended solely for personal informational and educational purposes. Nothing in the App should be construed as:

Medical advice or diagnosis
A recommendation for any specific treatment, medication, or supplement
A substitute for professional medical care
Endorsement of any particular healthcare provider, treatment, or product

3.2 No Doctor-Patient Relationship

USE OF THE APP DOES NOT CREATE A DOCTOR-PATIENT, THERAPIST-PATIENT, OR ANY OTHER HEALTHCARE PROVIDER-PATIENT RELATIONSHIP BETWEEN YOU AND HAZEL.

3.3 Consult Healthcare Professionals

ALWAYS SEEK THE ADVICE OF A QUALIFIED HEALTHCARE PROVIDER with any questions you may have regarding:

Any medical condition, including Hashimoto's disease
Changes to medication dosages or schedules
Starting, stopping, or modifying any treatment
Interpreting lab results or symptoms
Any health concerns whatsoever

NEVER DISREGARD PROFESSIONAL MEDICAL ADVICE OR DELAY SEEKING IT BECAUSE OF INFORMATION PROVIDED BY THE APP.

3.4 Emergency Situations

IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY, CALL YOUR DOCTOR, GO TO THE EMERGENCY DEPARTMENT, OR CALL 911 (OR YOUR LOCAL EMERGENCY NUMBER) IMMEDIATELY. The App is not designed for emergency situations and should not be relied upon in any emergency.

3.5 Limitations of Insights and Correlations

The insights, correlations, and patterns displayed in the App:

Are generated automatically based on your self-reported data
May contain errors, inaccuracies, or misleading information
DO NOT establish causation - correlation does not imply causation
Should not be used to make health decisions without consulting a healthcare professional
May not apply to your individual circumstances
Are not validated by clinical studies or peer review

3.6 AI-Generated Content

The App uses artificial intelligence to analyze meal photos and generate insights. AI-generated content:

May be inaccurate or incomplete
Should not be relied upon for nutritional, dietary, or medical decisions
Is provided for informational purposes only

3.7 Individual Variation

Health outcomes vary significantly between individuals. What works for one person may not work for another. The App cannot account for:

Your unique medical history
Drug interactions
Individual genetic factors
Other conditions or circumstances

3.8 Your Acknowledgment

BY USING THE APP, YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT:

You understand the App is not a substitute for professional medical care
You will not rely solely on the App for health decisions
You assume all risks associated with using the App's information
You will consult qualified healthcare professionals for medical advice
Hazel is not responsible for any health outcomes resulting from your use of the App
The insights and correlations provided are for informational purposes only and may be inaccurate

4. User Accounts

4.1 Account Creation

To use the App, you must create an account. You agree to:

Provide accurate, current, and complete information
Maintain and update your information as needed
Keep your login credentials confidential
Notify us immediately of any unauthorized account access
Accept responsibility for all activities under your account

4.2 Account Security

You are solely responsible for maintaining the security of your account. We are not liable for any loss or damage arising from your failure to protect your account credentials.

4.3 Account Termination

By You: You may delete your account at any time through the App's settings.

By Us: We may suspend or terminate your account at any time, with or without cause, with or without notice, including if we believe you have violated these Terms.

5. User Responsibilities and Conduct

5.1 Accurate Information

You agree to provide accurate and truthful information when logging data. Inaccurate data will result in inaccurate insights.

5.2 Prohibited Conduct

You agree NOT to:

Use the App for any unlawful purpose
Provide false or misleading information
Attempt to gain unauthorized access to our systems or other users' accounts
Interfere with or disrupt the App's functionality
Reverse engineer, decompile, or disassemble any part of the App
Use the App to transmit malware or harmful code
Use automated systems to access the App without permission
Sell, transfer, or sublicense your account
Use the App in any manner that could damage or overburden our infrastructure

5.3 Compliance with Laws

You agree to comply with all applicable local, state, national, and international laws and regulations.

6. Data Usage and Research

6.1 Consent to Data Use

BY USING THE APP, YOU EXPRESSLY CONSENT TO THE COLLECTION, USE, AND PROCESSING OF YOUR DATA AS DESCRIBED IN OUR PRIVACY POLICY, INCLUDING FOR:

Internal research and analytics
Development of machine learning and predictive models
Product development and improvement
Creation of anonymized and aggregated datasets
Population health research related to Hashimoto's disease and thyroid conditions

6.2 Anonymized Data

You acknowledge and agree that we may create anonymized, de-identified, or aggregated data from your information. Such data:

Is not subject to deletion requests
May be retained indefinitely
May be used for any lawful purpose, including commercial purposes
May be shared with third parties for research or commercial purposes

6.3 Privacy Policy

Our collection and use of your information is governed by our Privacy Policy, which is incorporated into these Terms by reference. By using the App, you agree to the terms of our Privacy Policy.

7. Intellectual Property

7.1 Our Intellectual Property

The App, including its design, features, functionality, content, logos, and trademarks, is owned by Hazel or its licensors and is protected by copyright, trademark, and other intellectual property laws. You may not:

Copy, modify, or distribute any part of the App
Use our trademarks or logos without permission
Create derivative works based on the App
Remove any copyright or proprietary notices

7.2 Your Content

You retain ownership of the data you input into the App. However, by using the App, you grant Hazel a worldwide, non-exclusive, royalty-free, perpetual, irrevocable license to use, reproduce, modify, analyze, create derivative works from, and otherwise process your data for the purposes described in these Terms and our Privacy Policy, including for research, analytics, and product development.

7.3 Feedback

Any feedback, suggestions, or ideas you provide about the App become our property, and we may use them without compensation or attribution to you.

8. Third-Party Services

8.1 Third-Party Integrations

The App integrates with third-party services, including:

OpenAI: AI-powered meal analysis
Apple: Sign in with Apple

Your use of these services is subject to their respective terms and privacy policies. We are not responsible for the practices of these third parties.

8.2 Third-Party Links

The App may contain links to third-party websites or services. We do not endorse and are not responsible for the content, privacy practices, or availability of these third parties.

9. Fees and Payments

9.1 Free Service

The App is currently provided free of charge. We reserve the right to introduce paid features or subscription plans in the future.

9.2 Future Pricing Changes

We may modify our pricing at any time. If we introduce paid features that affect your use of the App, we will provide notice and give you the option to continue or discontinue use.

10. DISCLAIMERS AND LIMITATIONS

10.1 Disclaimer of Warranties

THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

Merchantability
Fitness for a particular purpose
Non-infringement
Accuracy or completeness of content
Reliability or availability
Freedom from viruses or other harmful code

WE DO NOT WARRANT THAT:

The App will meet your requirements
The App will be uninterrupted, timely, secure, or error-free
The results obtained from the App will be accurate or reliable
Any errors will be corrected

10.2 Assumption of Risk

YOU EXPRESSLY ACKNOWLEDGE AND AGREE THAT YOUR USE OF THE APP IS AT YOUR SOLE RISK. You assume full responsibility for:

All health decisions you make
Any consequences of relying on the App's information
The accuracy of the data you input
Consulting appropriate healthcare professionals

11. LIMITATION OF LIABILITY

11.1 Exclusion of Damages

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL HAZEL, ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, LICENSORS, OR SERVICE PROVIDERS BE LIABLE FOR ANY:

INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES
LOSS OF PROFITS, REVENUE, DATA, OR GOODWILL
PERSONAL INJURY OR PROPERTY DAMAGE
HEALTH OUTCOMES OR MEDICAL COMPLICATIONS
COST OF SUBSTITUTE SERVICES
ANY DAMAGES ARISING FROM:
- Your use of or inability to use the App
- Any health decisions made based on the App's information
- Unauthorized access to your data
- Errors, inaccuracies, or omissions in the App's content
- Any third-party conduct or content
- Any other matter relating to the App

REGARDLESS OF THE THEORY OF LIABILITY (CONTRACT, TORT, STRICT LIABILITY, OR OTHERWISE) AND EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

11.2 Cap on Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, OUR TOTAL LIABILITY TO YOU FOR ALL CLAIMS ARISING FROM OR RELATED TO THE APP SHALL NOT EXCEED THE GREATER OF:

THE AMOUNT YOU PAID US IN THE TWELVE (12) MONTHS PRECEDING THE CLAIM, OR
FIFTY DOLLARS ($50.00)

11.3 Essential Purpose

THE LIMITATIONS IN THIS SECTION APPLY EVEN IF ANY REMEDY FAILS OF ITS ESSENTIAL PURPOSE.

11.4 Jurisdictional Limitations

Some jurisdictions do not allow the exclusion of certain warranties or limitations of liability. In such jurisdictions, our liability shall be limited to the maximum extent permitted by law.

12. INDEMNIFICATION

YOU AGREE TO DEFEND, INDEMNIFY, AND HOLD HARMLESS HAZEL, ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, LICENSORS, AND SERVICE PROVIDERS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES, LIABILITIES, COSTS, AND EXPENSES (INCLUDING REASONABLE ATTORNEYS' FEES) ARISING FROM OR RELATED TO:

Your use of the App
Your violation of these Terms
Your violation of any third-party rights
Your violation of any applicable law
Any content or data you submit to the App
Your negligence or willful misconduct
Any health decisions you make based on the App's information
Any claim that your use of the App caused harm to a third party

This indemnification obligation shall survive termination of these Terms and your use of the App.

13. Governing Law

These Terms and any dispute arising from your use of the App shall be governed by and construed in accordance with the laws of the State of Delaware, United States, without regard to its conflict of law provisions.

14. Jurisdiction and Venue

Subject to Section 15 (Arbitration Agreement), any legal action or proceeding arising from these Terms shall be brought exclusively in the state or federal courts located in Delaware, and you consent to the personal jurisdiction of such courts.

15. ARBITRATION AGREEMENT AND CLASS ACTION WAIVER

PLEASE READ THIS SECTION CAREFULLY. IT AFFECTS YOUR LEGAL RIGHTS, INCLUDING YOUR RIGHT TO FILE A LAWSUIT IN COURT.

15.1 Agreement to Arbitrate

You and Hazel agree that any dispute, claim, or controversy arising out of or relating to these Terms, the Privacy Policy, or your use of the App shall be resolved exclusively through binding individual arbitration, rather than in court, except that:

Either party may bring individual claims in small claims court if they qualify
Either party may seek injunctive relief in court to prevent infringement of intellectual property rights

15.2 Arbitration Rules

Arbitration shall be administered by the American Arbitration Association ("AAA") under its Consumer Arbitration Rules. The arbitration shall take place in Delaware or, at your election, via telephone or video conference. The arbitrator's decision shall be final and binding.

15.3 CLASS ACTION WAIVER

YOU AND HAZEL AGREE THAT EACH MAY BRING CLAIMS AGAINST THE OTHER ONLY IN YOUR OR ITS INDIVIDUAL CAPACITY AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY PURPORTED CLASS, COLLECTIVE, OR REPRESENTATIVE ACTION.

The arbitrator may not consolidate more than one person's claims and may not preside over any form of representative or class proceeding.

15.4 Opt-Out

You may opt out of this arbitration agreement by sending written notice to contact@meethazel.app within 30 days of first accepting these Terms. Your notice must include your name, address, email, and a clear statement that you wish to opt out.

15.5 Severability

If any part of this arbitration agreement is found unenforceable, the remaining provisions shall remain in effect, except that if the class action waiver is found unenforceable, the entire arbitration agreement shall be void.

16. General Provisions

16.1 Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Hazel regarding the App and supersede all prior agreements.

16.2 Severability

If any provision of these Terms is held invalid or unenforceable, that provision shall be enforced to the maximum extent possible, and the remaining provisions shall remain in full force and effect.

16.3 Waiver

Our failure to enforce any right or provision of these Terms shall not constitute a waiver of that right or provision.

16.4 Assignment

You may not assign or transfer these Terms without our prior written consent. We may assign or transfer these Terms without restriction.

16.5 Notices

We may provide notices to you through the App, by email, or by other means. You agree that electronic notices satisfy any legal requirement for written notices.

16.6 Force Majeure

We shall not be liable for any failure or delay in performance due to circumstances beyond our reasonable control, including natural disasters, war, terrorism, riots, embargoes, acts of civil or military authorities, fire, floods, accidents, strikes, or shortages of transportation, facilities, fuel, energy, labor, or materials.

16.7 No Third-Party Beneficiaries

These Terms do not create any third-party beneficiary rights.

16.8 Headings

Section headings are for convenience only and have no legal effect.

17. Changes to Terms

We reserve the right to modify these Terms at any time. We will notify you of material changes by:

Posting the updated Terms in the App
Sending you an email notification
Displaying a prominent notice in the App

Your continued use of the App after the effective date of the revised Terms constitutes your acceptance of the changes. If you do not agree to the modified Terms, you must stop using the App.

18. Termination

18.1 By You

You may terminate this agreement at any time by deleting your account and discontinuing use of the App.

18.2 By Us

We may terminate or suspend your access to the App at any time, with or without cause, with or without notice.

18.3 Effect of Termination

Upon termination:

Your right to use the App ceases immediately
We may delete your account and data (subject to our data retention policies)
Provisions that by their nature should survive termination shall survive, including Sections 3, 6, 7, 10, 11, 12, 13, 14, 15, and 16

19. Contact Information

If you have questions about these Terms, please contact us:

Email: contact@meethazel.app
Website: https://meethazel.app/legal

20. Acknowledgment

BY USING THE APP, YOU ACKNOWLEDGE THAT YOU HAVE READ THESE TERMS OF SERVICE, UNDERSTOOD THEM, AND AGREE TO BE BOUND BY THEM. YOU FURTHER ACKNOWLEDGE THAT THESE TERMS TOGETHER WITH THE PRIVACY POLICY REPRESENT THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN YOU AND HAZEL AND SUPERSEDE ANY PRIOR OR CONTEMPORANEOUS AGREEMENTS, COMMUNICATIONS, AND PROPOSALS, WHETHER ORAL OR WRITTEN.

These Terms of Service were last reviewed on December 5, 2025