Last updated: May 3, 2026
These Terms of Service (hereinafter referred to as the "Terms") set forth the conditions for using the Kokoei app (hereinafter referred to as the "Application") provided by Akira Kawata (hereinafter referred to as "we", "us", or "our"). By downloading and using the Application, you are deemed to have agreed to these Terms. If you do not agree to these Terms, you may not use the Application.
In these Terms, the following terms shall have the following meanings:
You and we acknowledge that these Terms are concluded between you and us only, and not with Apple Inc. ("Apple"). We, not Apple, are solely responsible for the Application and the content thereof. These Terms do not provide for usage rules for the Application that are in conflict with the Apple Media Services Terms and Conditions as of the Effective Date, which you acknowledge you have had the opportunity to review.
These Terms apply to all Users who use the Application. The Terms become effective when the Application is downloaded and used on your device. In the event of a conflict between these Terms and the terms of service of a Platform, these Terms shall take precedence with respect to the use of the Application. However, with respect to licensing terms of the Application, the standard terms of each Platform shall apply.
We grant you a non-exclusive, non-transferable license to use the Application for personal, non-commercial purposes, subject to your compliance with these Terms. The license granted to you for the Application is limited to a non-transferable license to use the Application on any Apple-branded products that you own or control, as permitted by the Usage Rules set forth in the Apple Media Services Terms and Conditions, except that the Application may be accessed and used by other accounts associated with you via Family Sharing or volume purchasing. Use on multiple devices is permitted for personal purposes.
You shall not:
All intellectual property rights (including but not limited to copyrights, trademark rights, and design rights) related to the Application and the Service belong to us or the rightful holders. The license granted under these Terms does not constitute a transfer or licensing of intellectual property rights.
The Application includes open source software. Each open source software component is used in accordance with its respective license terms, and nothing in these Terms restricts the rights granted to you under those license terms.
You acknowledge that, in the event of any third party claim that the Application or your possession and use of that Application infringes that third party's intellectual property rights, we, not Apple, will be solely responsible for the investigation, defense, settlement, and discharge of any such intellectual property infringement claim.
The Application is an English learning app designed for high school students in grades 1 through 3. The Service is provided free of charge.
The main features of the Application include:
Core features such as lessons, pre-authored quizzes, and progress management can be used without an internet connection. The AI learning assistant feature requires an internet connection.
The Application uses the following third-party services for the purpose of providing and improving the Service:
You must comply with applicable third-party terms of agreement when using the Application.
For details on how data is handled by these services, please refer to our Privacy Policy.
The handling of your personal information and data in the Application is governed by our Privacy Policy. The Privacy Policy forms an integral part of these Terms, and by agreeing to these Terms, you are also deemed to have agreed to the Privacy Policy.
You shall not engage in the following conduct when using the Application:
If you engage in any prohibited conduct, we may restrict or suspend your use of the Application without prior notice.
We are solely responsible for any product warranties, whether express or implied by law, to the extent not effectively disclaimed. In the event of any failure of the Application to conform to any applicable warranty, you may notify Apple, and Apple will refund the purchase price for the Application to you. Since the Application is provided free of charge, no purchase price applies. To the maximum extent permitted by applicable law, Apple will have no other warranty obligation whatsoever with respect to the Application, and any other claims, losses, liabilities, damages, costs, or expenses attributable to any failure to conform to any warranty will be our sole responsibility.
The Application is provided "AS IS" without warranty of any kind, either express or implied. We do not warrant the accuracy, completeness, usefulness, fitness for a particular purpose, or non-infringement of the Application.
We shall not be liable for:
Except in cases of our intentional misconduct or gross negligence, our liability for damages arising from or in connection with the Application shall be limited to direct and ordinary damages. We shall not be liable for indirect damages, special damages, consequential damages, or lost profits.
As the Application is provided free of charge, except in cases of our intentional misconduct or gross negligence, our aggregate liability shall be limited to 1,000 JPY.
You acknowledge that we, not Apple, are responsible for addressing any claims of yours or any third party relating to the Application or your possession and/or use of the Application, including but not limited to: (i) product liability claims; (ii) any claim that the Application fails to conform to any applicable legal or regulatory requirement; and (iii) claims arising under consumer protection, privacy, or similar legislation. These Terms do not limit our liability to you beyond what is permitted by applicable law.
We are solely responsible for providing any maintenance and support services with respect to the Application, as specified in these Terms or as required under applicable law. You acknowledge that Apple has no obligation whatsoever to furnish any maintenance and support services with respect to the Application.
You represent and warrant that: (i) you are not located in a country that is subject to a U.S. Government embargo, or that has been designated by the U.S. Government as a "terrorist supporting" country; and (ii) you are not listed on any U.S. Government list of prohibited or restricted parties.
You acknowledge and agree that Apple, and Apple's subsidiaries, are third party beneficiaries of these Terms, and that, upon your acceptance of the terms and conditions of these Terms, Apple will have the right (and will be deemed to have accepted the right) to enforce these Terms against you as a third party beneficiary thereof.
We may modify the content of the Application or terminate the provision of the Application at any time without prior notice to you. We shall not be liable for any damages caused to you by such termination, except in cases of our intentional misconduct or gross negligence.
We may update these Terms from time to time. The updated Terms shall become effective when posted on this page. Your continued use of the Application after the posting of updated Terms constitutes your acceptance of such changes. You are advised to review this page periodically.
These Terms shall be governed by and construed in accordance with the laws of Japan.
All disputes arising out of or in connection with these Terms or the use of the Application shall be submitted to the exclusive jurisdiction of the Chiba District Court as the court of first instance.
If any provision of these Terms is held to be invalid or unenforceable by law, the remaining provisions shall continue in full force and effect.
If you have any questions regarding these Terms, please contact us at:
These Terms are effective as of May 3, 2026.