Terms of Use

Introduction

Welcome to Chrono! These Terms of Use ("Terms") govern your access to and use of the Chrono mobile application ("App"), developed and operated by Leonardo Bilhalva ("we," "us," or "our").

By downloading, installing, or using Chrono, you agree to be bound by these Terms. If you do not agree to these Terms, please do not use the App.

1. Acceptance of Terms

1.1 Binding Agreement

By using Chrono, you acknowledge that you have read, understood, and agree to be bound by:

• These Terms of Use
• Our Privacy Policy
• Apple's App Store Terms of Service

1.2 Age Requirement

You must be at least 13 years of age to use this App. If you are under 13, you may not use Chrono under any circumstances.

If you are between 13 and 18 years of age (or the age of legal majority in your jurisdiction), you may only use Chrono with the consent and supervision of a parent or legal guardian.

COPPA Compliance:
We do not knowingly collect personal information from children under 13. If we discover we have collected data from a child under 13 without parental consent, we will delete that information immediately. Parents or guardians who believe their child has provided us with personal information should contact us at leonardobilhalva@icloud.com.

1.3 Changes to Terms

We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting the updated Terms within the App or on our website. Your continued use of Chrono after changes are posted constitutes your acceptance of the modified Terms.

We will notify you of material changes through:

• In-app notification
• Update to the "Last Updated" date above

2. License and Permitted Use

2.1 Limited License

We grant you a limited, non-exclusive, non-transferable, revocable license to download, install, and use Chrono on your personal iOS device solely for your personal, non-commercial use, subject to these Terms.

2.2 Permitted Uses

You may use Chrono to:

• Track your sleep patterns and habits
• Learn about your chronotype (Bear, Lion, or Wolf)
• Receive personalized sleep insights and recommendations
• Monitor your sleep consistency and progress
• Access educational content about sleep science

2.3 Prohibited Uses

You may NOT:

• Use Chrono for any commercial purpose or for the benefit of any third party
• Modify, adapt, translate, or create derivative works based on the App
• Reverse engineer, decompile, disassemble, or attempt to discover the source code
• Remove, alter, or obscure any copyright, trademark, or proprietary notices
• Use the App in any way that violates applicable laws or regulations
• Attempt to gain unauthorized access to any portion of the App
• Use automated systems (bots, scrapers) to access the App
• Resell, redistribute, or sublicense the App or any data derived from it
• Use the App to provide services to third parties
• Interfere with or disrupt the App's functionality or servers

3. Intellectual Property Rights

3.1 Ownership

All rights, title, and interest in and to Chrono, including all content, features, functionality, designs, graphics, text, software, and source code, are and will remain the exclusive property of Leonardo Bilhalva and its licensors.

This includes but is not limited to:

• App design and user interface
• Chronotype quiz and algorithms
• Sleep score calculation methodology
• Pet animations and visual assets
• Sleep tips and educational content
• Branding and trademarks ("Chrono" name and logo)

3.2 Your Data

You retain all rights to your personal sleep data. As detailed in our Privacy Policy:

• Your sleep data remains on your device
• We do not claim ownership of your health information
• You may export your data through Apple Health at any time

4. Medical Disclaimer

Chrono is provided for informational and educational purposes only. It is designed to:

• Help you track and understand your sleep patterns
• Provide general wellness recommendations based on chronobiology research
• Offer educational content about sleep science

Chrono is NOT intended to:

• Replace professional medical advice, diagnosis, or treatment
• Diagnose sleep disorders (such as insomnia, sleep apnea, or narcolepsy)
• Provide clinical-grade sleep monitoring
• Be used for medical emergencies

Always consult with a qualified healthcare provider before:

• Making changes to your sleep schedule or habits
• Starting or stopping any medication or treatment
• Making decisions about your health based on information from Chrono

If you experience:

• Chronic insomnia or difficulty sleeping
• Excessive daytime sleepiness
• Snoring, gasping, or breathing pauses during sleep
• Unusual sleep behaviors or movements
• Any other concerning sleep-related symptoms

Seek immediate medical attention from a qualified healthcare professional.

Never disregard professional medical advice or delay seeking medical treatment because of information you read or receive through Chrono.

5. HealthKit and Data Usage

5.1 HealthKit Integration

Chrono integrates with Apple HealthKit to read your sleep data. By granting Chrono access to HealthKit:

• You authorize Chrono to read sleep analysis data from Apple Health
• All data processing occurs locally on your device
• We do not upload your sleep data to external servers

5.2 Data Accuracy

Sleep data accuracy depends on:

• The accuracy of your Apple Watch or other tracking device
• Proper device wear and calibration
• Manual sleep session entries (if applicable)

We make no guarantees about the precision or completeness of sleep data tracked by third-party devices.

5.3 Your Control

You can:

• Revoke Chrono's access to HealthKit at any time through iOS Settings
• Delete your sleep data from Apple Health
• Export your sleep data through Apple Health

6. Privacy

Your privacy is important to us. Please review our Privacy Policy to understand how we collect, use, and protect your information.

Key privacy highlights:

• All your sleep data stays on your device
• We do not sell or share your personal information with third parties
• We comply with LGPD (Brazil) and GDPR (EU) regulations

7. Disclaimer of Warranties

TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

• Warranties of MERCHANTABILITY
• Fitness FOR A PARTICULAR PURPOSE
• NON-INFRINGEMENT
• ACCURACY, RELIABILITY, OR COMPLETENESS OF CONTENT

7.1 No Guarantee of Accuracy

We do not warrant that:

• Chrono will meet your specific requirements or expectations
• Sleep scores or insights will be accurate, complete, or reliable
• The App will be uninterrupted, timely, secure, or error-free
• Results obtained from using Chrono will be accurate or dependable

7.2 Accuracy and Methodology Disclosure

Sleep scores are calculated using algorithms based on:

• Total sleep duration relative to your sleep goal
• Consistency of sleep schedule across days
• Alignment with your chronotype's optimal sleep windows

Any material downloaded or otherwise obtained through Chrono is accessed at your own discretion and risk.

8. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL LEONARDO BILHALVA BE LIABLE FOR ANY:

• INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES
• LOSS OF PROFITS, REVENUE, DATA, OR USE
• HEALTH-RELATED DAMAGES OR INJURIES
• LOSS OF SLEEP OR SLEEP-RELATED HARM
• EMOTIONAL DISTRESS OR MENTAL ANGUISH

ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF CHRONO, WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), OR ANY OTHER LEGAL THEORY, EVEN IF WE HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

8.1 Cap on Liability

Our total liability for any claim arising out of or relating to these Terms or Chrono shall not exceed the amount you paid for the App in the twelve (12) months preceding the claim.

Since Chrono is currently a free application, this amount would be zero (R$ 0,00).

8.2 Essential Purpose

The limitations in this Section 8 reflect the allocation of risk between the parties. The limitations specified in this section will survive and apply even if any limited remedy specified in these Terms is found to have failed of its essential purpose.

9. Indemnification

You agree to indemnify, defend, and hold harmless Leonardo Bilhalva, its affiliates, and their respective officers, directors, employees, and agents from and against any claims, liabilities, damages, losses, costs, expenses, or fees (including reasonable attorneys' fees) arising from:

• Your use or misuse of Chrono
• Your violation of these Terms
• Your violation of any rights of another person or entity
• Your violation of any applicable laws or regulations
• Any health decisions made based on information from Chrono

10. Third-Party Services

10.1 Apple Services Integration

Chrono integrates with Apple's native iOS services:

Apple Health (HealthKit):

• Purpose: Read sleep data, write manual sleep sessions
• Data shared: Sleep duration, bedtime, wake time
• Data NOT shared: No data leaves your device to us
• Your control: Revoke access in iOS Settings anytime
• Apple's privacy: https://www.apple.com/legal/privacy/

Apple Notifications (UserNotifications):

• Purpose: Send bedtime/wake reminders
• Data shared: None (local scheduling only)
• Your control: Disable in iOS Settings

10.2 No Other Third Parties

Chrono does NOT integrate with:

• Analytics platforms (no tracking)
• Advertising networks (no ads)
• Social media platforms (no sharing)
• Cloud storage services (no backups)

11. Termination

11.1 Your Right to Terminate

You may stop using Chrono at any time by:

• Deleting the App from your device
• Revoking HealthKit permissions in iOS Settings

11.2 Our Right to Terminate

We reserve the right to suspend or terminate your access to Chrono at any time, without notice, for:

• Violation of these Terms
• Fraudulent, abusive, or illegal activity
• Any reason we deem necessary to protect our rights or the rights of others

11.3 Effect of Termination

Upon termination:

• Your right to use Chrono will immediately cease
• You must delete the App from all devices
• Sections 3, 4, 7, 8, 9, 11.3, and 13 will survive termination

12. Updates and Modifications

12.1 App Updates

We may release updates to Chrono from time to time. These updates may include:

• New features or functionality
• Bug fixes and performance improvements
• Changes to existing features

You are not required to install updates, but we recommend keeping Chrono updated for the best experience and security.

12.2 Feature Changes

We reserve the right to modify, suspend, or discontinue any feature of Chrono at any time without notice. We will not be liable to you or any third party for any modification, suspension, or discontinuation of features.

13. Governing Law and Dispute Resolution

13.1 Governing Law

These Terms shall be governed by and construed in accordance with the laws of the Federative Republic of Brazil, without regard to its conflict of law provisions.

13.2 Jurisdiction

Any legal action or proceeding arising out of or relating to these Terms or Chrono shall be instituted exclusively in the courts of Brazil. You consent to the personal jurisdiction of such courts and waive any objection to venue in such courts.

13.3 LGPD Contact (Brazil)

For data protection inquiries under LGPD (Lei Geral de Proteção de Dados), you may contact:

ANPD (Autoridade Nacional de Proteção de Dados)

• Website: https://www.gov.br/anpd/
• Email: anpd@anpd.gov.br
• Phone: 0800-740-0606

14. Miscellaneous

14.1 Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Leonardo Bilhalva regarding Chrono and supersede all prior agreements and understandings.

14.2 Severability

If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions will remain in full force and effect.

14.3 Waiver

Our failure to enforce any right or provision of these Terms will not be considered a waiver of those rights.

14.4 Assignment

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

14.5 Language

These Terms are provided in English. In the event of any conflict between the English version and any translation, the English version shall prevail.

15. Apple-Specific Terms

15.1 Acknowledgment

You acknowledge that:

• These Terms are between you and Leonardo Bilhalva, not Apple
• Leonardo Bilhalva, not Apple, is solely responsible for Chrono and its content
• Apple has no obligation to provide maintenance or support for Chrono

15.2 Product Claims

In the event of any failure of Chrono to conform to any applicable warranty:

• You may notify Apple, and Apple will refund the purchase price (if applicable)
• To the maximum extent permitted by law, Apple will have no other warranty obligation
• Any other claims relating to Chrono are the sole responsibility of Leonardo Bilhalva

15.3 Third-Party Beneficiary

Apple and Apple's subsidiaries are third-party beneficiaries of these Terms. Upon your acceptance of these Terms, Apple will have the right to enforce these Terms against you as a third-party beneficiary.

16. Contact Information

If you have any questions, concerns, or complaints about these Terms, please contact us:

Developer: Leonardo Bilhalva
Email: leonardobilhalva@icloud.com
Country: Brazil

Response Time: We aim to respond to all inquiries within 5 business days.