Terms of Service

Last Updated: January 1, 2026

These Terms of Service (hereinafter referred to as "these Terms") set forth the terms and conditions for the use of "Chi-tan Memo" (hereinafter referred to as "the App") provided by the Chi-tan Memo Development Team (hereinafter referred to as "the Developer"). By downloading, installing, or using the App, users (hereinafter referred to as "Users") shall be deemed to have agreed to these Terms.

Article 1 (Application)

1. These Terms shall apply to all relationships between Users and the Developer regarding the use of the App.
2. By downloading, installing, or using the App, Users shall be deemed to have agreed to these Terms.
3. If you do not agree to these Terms, you may not use the App.

Article 2 (Definitions)

The terms used in these Terms are defined as follows:

1. "App" means the application called "Chi-tan Memo" provided by the Developer.
2. "User" means any individual who uses the App.
3. "User Data" means memo titles, content, and other information created and saved by Users through the App.
4. "Service" means all services provided by the Developer through the App.

Article 3 (Eligibility)

1. In principle, the App is available to everyone.
2. However, if you are under 13 years of age, please obtain parental consent before using the App.
3. The following persons may not use the App:
   • Persons who have violated these Terms in the past
   • Persons who are antisocial forces or have any relationship or involvement with antisocial forces, as determined by the Developer

Article 4 (Functions of the App)

The App provides the following functions:

1. Memo Function: Create, edit, delete, and search memos
2. Data Management Function: Local storage of memos
3. Backup Function: Export and import in CSV format
4. Other: Other functions provided by the Developer as appropriate

Article 5 (Usage Environment)

1. Use of the App requires an Android device and a stable internet connection (for displaying advertisements).
2. Users shall prepare devices and communication means necessary to use the App at their own responsibility and expense.
3. The Developer does not guarantee operation in all environments.

Article 6 (Prohibited Actions)

Users shall not engage in any of the following actions when using the App:

1. Actions that violate laws or public order and morals
2. Actions related to criminal activity
3. Reverse engineering, decompiling, disassembling, or otherwise analyzing the source code of the App
4. Modifying or altering the App
5. Using the App for illegal purposes
6. Destroying or interfering with the functions of servers or networks of the Developer, other Users, or other third parties
7. Actions that may interfere with the operation of the Developer's services
8. Unauthorized access or attempts thereof
9. Collecting or accumulating personal information about other Users
10. Using the App with fraudulent intent
11. Actions that cause disadvantage, damage, or discomfort to other Users or third parties
12. Impersonating other Users
13. Advertising, promotional, solicitation, or sales activities not authorized by the Developer
14. Providing benefits to antisocial forces
15. Actions that violate these Terms
16. Other actions deemed inappropriate by the Developer

Article 7 (Management of User Data)

1. Users shall be responsible for managing User Data.
2. Users are recommended to regularly create backups of User Data using the App's backup function.
3. The Developer cannot access User Data and does not maintain backups of User Data.
4. The Developer assumes no responsibility for loss, corruption, or other issues with User Data.

Article 8 (Display of Advertisements)

1. To provide the App free of charge, banner advertisements are displayed using Google AdMob.
2. The content, display method, and frequency of advertisements may be changed without notice.
3. The Developer assumes no responsibility for the content of advertisements.
4. The Developer assumes no responsibility for any damages resulting from clicking on advertisements.

Article 9 (Intellectual Property Rights)

1. All intellectual property rights related to the App belong to the Developer or persons who have licensed them to the Developer.
2. The name "Chi-tan Memo" and its logo are trademarks or registered trademarks of the Developer.
3. The license to use the App does not mean a license to use the Developer's intellectual property rights.
4. Users represent and warrant that they have the lawful right to post User Data and that it does not infringe upon the rights of third parties.

Article 10 (Disclaimer)

1. The Developer does not guarantee that the App will operate normally on all devices, that no errors or bugs will occur, or that the App will not be interrupted.
2. The Developer makes no warranties regarding the accuracy, completeness, or usefulness of information obtained through the App.
3. The Developer assumes no responsibility for any damages incurred by Users arising from the use of the App.
4. The Developer assumes no responsibility for disputes between Users and third parties in connection with the App.

Article 11 (Changes, Suspension, and Termination of the App)

1. The Developer may change, add, or delete the content of the App at its discretion.
2. The Developer may suspend or discontinue the App without prior notice in cases such as system maintenance, force majeure, or other circumstances deemed necessary.
3. The Developer will endeavor to notify Users in advance when terminating the App, but prior notice may not always be possible.
4. The Developer assumes no responsibility for damages arising from actions taken under this Article.

Article 12 (Changes to Terms of Service)

1. The Developer may change these Terms at any time without notice when deemed necessary.
2. The revised Terms shall take effect from the time they are posted within the App or on the Google Play Store.
3. Continued use of the App after changes shall be deemed acceptance of the revised Terms.
4. If you do not agree to changes, please discontinue use of the App.

Article 13 (Handling of Personal Information)

The Developer shall handle personal information in accordance with the Privacy Policy separately established by the Developer, available within the App or on Google Play Store.

Article 14 (Notices or Communications)

1. Notices or communications between Users and the Developer shall be made by the method specified by the Developer.
2. Notices sent to the registered contact information shall be deemed to have reached the User at the time of transmission.

Article 15 (Prohibition of Assignment of Rights and Obligations)

1. Users may not assign their rights or obligations under these Terms to third parties without prior written consent of the Developer.
2. If the Developer transfers its business to another company, it may transfer rights and obligations under these Terms to the transferee, and Users agree in advance to such transfer.

Article 16 (Severability)

Even if any provision of these Terms is deemed invalid or unenforceable, the remaining provisions shall continue to be fully effective.

Article 17 (Governing Law and Jurisdiction)

1. These Terms shall be governed by and construed in accordance with Japanese law.
2. Any disputes arising from the App or these Terms shall be subject to the exclusive jurisdiction of the court having jurisdiction over the Developer's location.

Article 18 (Contact)