Terms of ServiceANDROID

HabitMatrix for Android — Last Updated: May 23, 2026

Welcome to HabitMatrix. These Terms of Service ("Terms") govern your use of the HabitMatrix mobile application for Android (the "App") provided by HabitMatrix ("we," "our," or "us"). By downloading, installing, or using the App from the Google Play Store, you agree to be bound by these Terms. If you do not agree, please do not use the App.

1. Eligibility

You must be at least 13 years old to use HabitMatrix. By using the App, you represent and warrant that you meet this age requirement and have the legal capacity to enter into these Terms. If you are using the App on behalf of an organization, you represent that you have authority to bind that organization.

2. Description of the Service

HabitMatrix is a personal habit-tracking application that allows you to create habits, set goals, track progress, and receive reminders on your Android device. Some features may require an active internet connection, a Google account, or a paid subscription.

3. Account & Google Sign-In

• You may use HabitMatrix without an account for basic features. To unlock cross-device sync and certain premium features, you may sign in via Google Sign-In.
• You are responsible for maintaining the confidentiality of your Google account credentials and for all activities that occur under your account.
• You agree to provide accurate, current, and complete information and to notify us promptly of any unauthorized use of your account.
• We reserve the right to suspend or terminate accounts that violate these Terms.

4. Subscriptions, Billing & Refunds

• HabitMatrix may offer optional premium subscriptions billed through Google Play Billing. Pricing, billing cycles, and renewal terms are displayed at the point of purchase.
• Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current billing period. You can manage and cancel subscriptions in the Google Play Store at any time.
• Refund requests are handled in accordance with Google Play's refund policy. We do not directly process refunds.
• We reserve the right to change subscription prices upon reasonable notice; continued use after a price change constitutes acceptance.

5. License to Use the App

Subject to your compliance with these Terms, we grant you a limited, non-exclusive, non-transferable, revocable license to install and use the App on Android devices that you own or control, solely for your personal, non-commercial use.

6. User Conduct

You agree NOT to:

• Reverse-engineer, decompile, disassemble, or attempt to derive the source code of the App;
• Use the App for any unlawful, fraudulent, or harmful purpose;
• Interfere with, disrupt, or attempt to gain unauthorized access to our servers, networks, or other users' accounts;
• Use automated systems (bots, scrapers) to access or interact with the App;
• Upload or transmit malicious code, viruses, or other harmful content;
• Resell, sublicense, lease, or otherwise commercially exploit the App without our written permission.

7. User Content

You retain all rights to the habits, goals, notes, and other content you create in HabitMatrix ("User Content"). By using the App, you grant us a limited, worldwide, royalty-free license to store, sync, back up, and process your User Content solely for the purpose of providing the service to you. We do not claim ownership of your User Content and will not use it for any other purpose without your consent.

8. Intellectual Property

The App, including its design, code, graphics, logos, and text (excluding User Content), is owned by HabitMatrix and protected by copyright, trademark, and other intellectual property laws of the Republic of China (Taiwan) and international treaties. All rights not expressly granted to you are reserved.

9. Third-Party Services

The App relies on third-party services including Google Sign-In, Google Play Services, and Google Play Billing. Your use of these services is also governed by their respective terms and policies. We are not responsible for the availability, accuracy, or content of any third-party services.

10. Disclaimers

THE APP IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. We do not warrant that the App will be uninterrupted, secure, or error-free, nor that it will meet your specific requirements. HabitMatrix is intended as a personal productivity tool and does not provide medical, psychological, or professional advice.

11. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL HABITMATRIX, ITS OFFICERS, EMPLOYEES, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING WITHOUT LIMITATION LOSS OF DATA, PROFITS, OR REVENUE, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF THE APP. Our total aggregate liability shall not exceed the amount you have paid to us in the twelve (12) months preceding the event giving rise to the claim, or NT$300, whichever is greater.

12. Termination

You may stop using the App at any time by uninstalling it. We may suspend or terminate your access to the App or your account at our discretion, with or without notice, if you violate these Terms or engage in conduct that we determine, in our sole judgment, is harmful to us, other users, or third parties. Upon termination, the licenses granted to you under these Terms will immediately cease.

13. Privacy

Your use of the App is also governed by our Privacy Policy, which describes how we collect, use, and protect your information. By using the App you acknowledge and consent to the practices described therein.

14. Changes to These Terms

We may update these Terms from time to time. Material changes will be communicated by posting the updated Terms in the App or on this page and updating the "Last Updated" date above. Your continued use of the App after such changes constitutes your acceptance of the revised Terms.

15. Governing Law & Dispute Resolution

These Terms are governed by and construed in accordance with the laws of the Republic of China (Taiwan), without regard to its conflict-of-laws principles. Any disputes arising out of or relating to these Terms shall be submitted to the exclusive jurisdiction of the Taiwan Taipei District Court as the court of first instance.

16. Severability

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

17. Contact Us

For questions or concerns about these Terms, please contact us:

Email: hidake20@gmail.com