Terms of Use

Last updated: August 5, 2026

These Terms of Use (the “Terms”) govern the use of the Four Color Note application (the “App”). By using the App, you agree to these Terms.

1. Application of These Terms

1. These Terms apply to all matters relating to use of the App between the user and the provider of the App (the “Provider”).
2. Any additional guidelines issued by the Provider regarding the App form part of these Terms.

2. About the App

1. The App allows users to record and organize notes using four colors: black, red, blue, and green.
2. The Provider may change the App’s features, specifications, or content when reasonably necessary.

3. Note Data

1. Note data and App settings are generally stored on the user’s device.
2. Users are responsible for managing their own note data.
3. Data may be lost if the App is deleted, a device is lost, damaged or replaced, a backup fails, or for other reasons.
4. The Provider does not guarantee that lost data can be restored.

4. Advertising and Possible Future Paid Features

1. The App may display advertisements supplied by third-party advertising services.
2. The Provider may offer paid features in a future version of the App.
3. If paid features are introduced, their functionality, price, purchase conditions, and other relevant details will be shown in the App or on the App Store when they become available.
4. Purchases, refunds, and restoration are subject to Apple’s applicable terms.

5. Third-Party Services

The App may use services provided by Apple, Google AdMob, and other third parties for advertising and other purposes. The terms and privacy policies of those providers apply to their respective services.

6. Prohibited Conduct

Users must not:

1. Violate any law, regulation, or public policy;
2. Infringe the rights or interests of the Provider or any third party;
3. Interfere with or misuse the App;
4. Modify, analyze, or reproduce the App beyond what is permitted by applicable law; or
5. Engage in other conduct that the Provider reasonably determines to be inappropriate.

7. Intellectual Property

Intellectual property rights in the App, including its software, design, images, and text, belong to the Provider or their respective lawful owners.

8. Disclaimers and Limitation of Liability

1. The Provider does not guarantee that the App will always operate without interruption or error, or that it will be suitable for any particular purpose.
2. Except in cases of willful misconduct or gross negligence by the Provider, the Provider is not liable for damage arising from use of, or inability to use, the App.
3. Any exclusion or limitation of liability in these Terms does not apply to the extent prohibited by applicable law.

9. Changes, Suspension, or Discontinuation

The Provider may change, suspend, or discontinue all or part of the App when reasonably necessary for maintenance, technical issues, legal requirements, or other circumstances.

10. Changes to These Terms

1. The Provider may revise these Terms when necessary due to changes in law, App functionality, or other circumstances.
2. Material changes will be announced in the App or by another method the Provider considers appropriate.

11. Privacy

User information is handled in accordance with the separately published Privacy Policy.

12. Governing Law and Jurisdiction

1. These Terms are governed by the laws of Japan.
2. Unless prohibited by applicable law, the courts of Japan having jurisdiction over the Provider’s address will have exclusive jurisdiction in the first instance over disputes relating to the App.