Terms & Conditions

Effective Date: September 21, 2025

Last Updated: September 21, 2025

Welcome to Sedier (“the App”, “we”, “our”, or “us”), a product of Akagawa Innovations Inc. These Terms and Conditions ("Terms") govern your use of our app, website, and related services (collectively, the "Service"). By accessing or using Sedier, you agree to these Terms.

1. Use of the Service

Sedier enables users to visualize and arrange furniture in real-world spaces using augmented reality. You may use the Service only for lawful, personal, and non-commercial purposes. You agree not to:

  • Copy, distribute, or modify any part of the Service without permission.
  • Attempt to reverse-engineer or disrupt the functionality of the Service.
  • Use the Service for any unlawful or harmful activity.

2. User Data and Privacy

Sedier does not collect personally identifiable information. Your layout data is stored securely in your own iCloud account via Apple’s CloudKit.

We may use anonymized usage data to improve the experience. For details on how we handle data, please refer to our Privacy Policy

3. Intellectual Property

All technology, branding, and content within Sedier is owned by Akagawa Innovations or its licensors.

Sedier may display product data, images, or models sourced from publicly available information on third-party furniture company websites. These assets remain the property of their respective rights holders. We do not claim ownership of any third-party content, and all copyrights and trademarks belong to their original owners.

If you are a rights holder and believe your content is being used inappropriately, please contact us at legal

4. No Guarantees

We strive to provide an accurate and reliable experience, but Sedier is offered "as is" and "as available". We do not guarantee:

  • The accuracy of dimensions or visuals
  • That the app will be error-free or available at all times
  • That layouts created within the app will reflect real-world conditions perfectly

Use of the Service is at your own risk.

5. Termination

We reserve the right to suspend or terminate access to the Service at any time, without notice, especially in the case of:

  • Violation of these Terms
  • Misuse of the platform
  • Legal or regulatory concerns

6. Limitation of Liability

To the maximum extent allowed by law, Akagawa Innovations will not be liable for any direct, indirect, incidental, special, or consequential damages arising from your use of the Service, including but not limited to data loss, device issues, or missed opportunities.

7. Governing Law

These Terms are governed by the laws of Japan, without regard to its conflict of law provisions.

8. Changes to These Terms

We may update these Terms from time to time. Any changes will be posted on our website. Continued use of the Service after changes take effect constitutes acceptance of the new Terms.

9. Contact

Questions or concerns?

Thank you

Thanks for using Sedier — we’re excited to help you bring your space to life through augmented reality.