Terms of Use

Last updated: September 4, 2026

Terms of Use for N-Back Training

By downloading or using N-Back Training ("the App"), you agree to the following terms.

Description of the App

The App is a training tool that allows you to practice the N-Back task, which is widely used in cognitive psychology research. The App is not a medical device. It is not intended for the diagnosis, treatment, or prevention of any disease or medical condition.

No Guarantee of Results

The App does not guarantee any improvement in cognitive function, memory, concentration, intelligence, or any other mental ability. Results may vary and depend on individual factors.

Health Disclaimer

If you have any health concerns, please consult a qualified healthcare professional before using this App. Do not use this App as a substitute for professional medical advice.

Advertising

The App is free of charge and displays advertisements provided by Google AdMob. There are no in-app purchases. Advertisements are never displayed during training sessions.

Intellectual Property

All content, design, and code of the App are the property of Toru Fukui. You may not copy, modify, distribute, or reverse-engineer the App.

Limitation of Liability

To the maximum extent permitted by law, the developer shall not be liable for any direct, indirect, incidental, or consequential damages arising from the use or inability to use the App.

Changes to These Terms

We reserve the right to update these Terms of Use at any time. Continued use of the App after changes constitutes acceptance of the new terms.

Governing Law

These terms shall be governed by and construed in accordance with the laws of Japan.

Contact Us

If you have any questions about these Terms of Use, please contact us at:
Email: fukuidinotech@gmail.com