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Terms of Service

Last Updated: January 23, 2026

These Terms of Service (hereinafter referred to as the “Terms”) set forth the terms and conditions for using the AI tutor app “AURUM” (hereinafter referred to as the “App”) provided by AURUM (hereinafter referred to as “we,” “us,” or “our”). Users are requested to use the App in accordance with these Terms.

Article 1 (Applicability)

  1. These Terms shall apply to all relationships related to the use of the App between the user and us.
  2. We may establish various rules (hereinafter referred to as “Individual Provisions”) regarding the App in addition to these Terms. These Individual Provisions shall constitute part of these Terms regardless of their name.
  3. By downloading, installing, or using the App, you are deemed to have agreed to these Terms. If you do not agree, please stop using the App immediately and uninstall it.

Relationship with Apple: You and Developer acknowledge that this Agreement is a contract between You and Developer only, and not with Apple, and You, not Apple, are solely responsible for Licensed Application and content thereof. Developer, not Apple, is a sole provider of this App and any content. You and Developer acknowledge that Apple, and Apple’s subsidiaries, are third party beneficiaries of this Agreement, and that, upon End-User’s acceptance of the terms and conditions of this Agreement, Apple will have the right (and will be deemed to have accepted such right) to enforce this Agreement against End-User as a third party beneficiary thereof.

Developer Information: Developer name and address, and contact information (telephone number; E-mail address) to which any End-User questions, complaints, or claims with respect to the App should be directed:

Article 2 (Ownership and License)

  1. Subject to compliance with these Terms, we grant the user a non-exclusive, non-transferable license to use the App for personal, non-commercial purposes. User may only use App on any Apple-branded Products that End-User owns or controls and as permitted by Usage Rules set forth in Apple Media Services Terms and Conditions, except that such App may be accessed and used by other accounts associated with purchaser via Family Sharing or volume purchasing.
  2. Users shall not reproduce, modify, change, reverse engineer, decompile, disassemble, or create derivative works of the App.

Article 3 (User Accounts)

  1. Registration of an account may be required to use certain features of the App.
  2. Users are responsible for properly managing their authentication information (including device ID) for the App.
  3. We shall not be liable for any damages caused by inadequate management of authentication information.

Maintenance and Support: Developer shall be solely responsible for providing any maintenance and support services with respect to the App, as specified in these Terms, or as required under applicable law. You and End-User acknowledge that Apple has no obligation whatsoever to furnish any maintenance and support services with respect to the App.

Article 4 (Prohibited Acts)

Users shall not engage in the following acts when using the App:

  1. Acts that violate laws and regulations or public order and morals.
  2. Acts related to criminal activities.
  3. Acts that destroy or interfere with the functions of our or third-party servers or networks.
  4. Acts that may interfere with the operation of our services.
  5. Acts attempting to elicit unintended responses from AI, such as prompt injection attacks.
  6. Unauthorized access or attempts thereof.
  7. Acts that infringe on intellectual property rights, such as copyrights (including copyrights of textbooks and problem sets).
  8. Acts utilizing AI-generated content to spread false information or for fraudulent purposes.
  9. Other acts that we deem inappropriate.

Article 5 (Suspension of Service)

  1. We may suspend or interrupt the provision of all or part of the App without prior notice to users if we determine that any of the following apply:
  2. We shall not be liable for any disadvantage or damage suffered by users or third parties due to the suspension or interruption of the provision of the App.

Article 6 (Restriction of Use and Account Deletion)

  1. We may restrict the use of all or part of the App or delete the user’s account without prior notice if the user falls under any of the following:
  2. We shall not be liable for any damages caused to users by our actions based on this article.

Article 6-1 (Warranty)

  1. Product Warranty: Developer shall be 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 App to conform to any applicable warranty, End-User may notify Apple, and Apple will refund the purchase price for the App to that End-User; and that, to the maximum extent permitted by applicable law, Apple will have no other warranty obligation whatsoever with respect to the App, and any other claims, losses, liabilities, damages, costs or expenses attributable to any failure to conform to any warranty will be Your sole responsibility.
  2. Note: In the event that the App is free of charge, no refund shall be applicable.

Article 7 (Premium Plan and Billing)

  1. The App provides certain paid features (hereinafter referred to as “Premium Plan”).
  2. The App offers monthly plans (1-month periods) and annual plans (12-month periods). Prices for each plan are displayed within the App and on the app stores (App Store or Google Play Store).
  3. Charges will be billed to user’s Apple ID (via App Store) or Google Play account (via Google Play Store).
  4. Subscriptions will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period.
  5. Users using Apple ID can manage or cancel auto-renewal at any time from their Apple ID account settings, and users using Google Play account can manage or cancel auto-renewal at any time from their Google Play account settings. Users can also check subscription status within the App using the “Restore Purchases” feature.
  6. No refunds will be given for partial periods upon cancellation.
  7. In the event that subscription prices are changed, users will be notified. If users wish to continue using the subscription after a price change, their consent may be required before billing begins at the new price.

Article 7-2 (Warranty)

  1. Product Warranty: Developer shall be 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 App to conform to any applicable warranty, End-User may notify Apple, and Apple will refund the purchase price for the App to that End-User; and that, to the maximum extent permitted by applicable law, Apple will have no other warranty obligation whatsoever with respect to the App, and any other claims, losses, liabilities, damages, costs or expenses attributable to any failure to conform to any warranty will be Your sole responsibility.
  2. Note: In the event that the App is free of charge, no refund shall be applicable.

Article 7-1 (Warranty)

  1. Product Warranty: Developer shall be 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 App to conform to any applicable warranty, End-User may notify Apple, and Apple will refund the purchase price for the App to that End-User; and that, to the maximum extent permitted by applicable law, Apple will have no other warranty obligation whatsoever with respect to the App, and any other claims, losses, liabilities, damages, costs or expenses attributable to any failure to conform to any warranty will be Your sole responsibility.
  2. Note: In the event that the App is free of charge, no refund shall be applicable.

Article 7 (Premium Plan and Billing)

  1. Disclaimer: The App is provided on an “AS IS” basis. We make no warranties, express or implied, regarding defects in fact or law (including safety, reliability, accuracy, completeness, effectiveness, fitness for a particular purpose, security-related defects, errors or bugs, or infringement of rights).
  2. AI Accuracy: Explanations and answers provided by the App are generated by AI. We do not guarantee the accuracy, completeness, or educational effectiveness of such content. Users use this at their own risk.
  3. Limitation of Liability: We shall not be liable for any damages caused to users arising from the App, except in cases of our willful misconduct or gross negligence. However, if the contract between us and the user regarding the App (including these Terms) constitutes a consumer contract under the Consumer Contract Act, this disclaimer does not apply.
  4. Liability Cap: Even in the case specified in the proviso of the preceding paragraph, we shall not be liable for damages arising from special circumstances (including cases where we or the user foresaw or could have foreseen the occurrence of damage) among damages caused to the user by our negligence (excluding gross negligence). Furthermore, compensation for damages caused to the user by our negligence (excluding gross negligence) shall be limited to the amount of usage fees received from the user in the month in which the damage occurred.

Product Claims: You and Developer acknowledge that Developer, not Apple, is responsible for addressing any claims of the user or any third party relating to the App or the user’s possession and/or use of that App, including, but not limited to: (i) product liability claims; (ii) any claim that the App fails to conform to any applicable legal or regulatory requirement; and (iii) claims arising under consumer protection, privacy, or similar legislation, including in connection with the App’s use of HealthKit and HomeKit frameworks. The Terms may not limit Developer’s liability to user beyond what is permitted by applicable law.

Intellectual Property Rights: You and Developer acknowledge that, in the event of any third-party claim that the App or the user’s possession and use of that App infringes that third party’s intellectual property rights, Developer, not Apple, will be solely responsible for investigation, defense, settlement, and discharge of any such intellectual property infringement claim.

Article 9 (Modification of Service)

We may change the content of the App or discontinue the provision of the App without notifying the user, and we shall not be liable for any damages caused to the user by this.

Article 10 (Modification of Terms)

We may modify these Terms at any time without notifying the user if we deem it necessary. If a user starts using the App after the modification of these Terms, such user shall be deemed to have agreed to the modified Terms.

Article 11 (Privacy)

We shall handle personal information obtained through the use of the App appropriately in accordance with our “Privacy Policy.”

Legal Compliance: The End-User must represent and warrant that (i) he/she is 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) he/she is not listed on any U.S. Government list of prohibited or restricted parties.

Article 12 (Governing Law and Jurisdiction)

Article 12 (Governing Law and Jurisdiction)

  1. These Terms shall be interpreted in accordance with the laws of Japan.
  2. In the event of a dispute regarding the App, the court having jurisdiction over our location (Tokyo District Court) shall be the exclusive agreed court of jurisdiction.

Third Party Terms of Agreement: You must state in these Terms that the End-User must comply with applicable third party terms of agreement when using your Application, e.g., if you have a VoIP application, then the End-User must not be in violation of their wireless data service agreement when using your Application.

Article 13 (Severability)

If any provision of these Terms is found to be invalid or unenforceable, such provision shall be interpreted in a manner not inconsistent with applicable law so as to preserve, to the maximum extent possible, the original intent of the parties, and the remaining provisions shall continue in full force and effect.

Article 14 (Waiver of Rights)

The exercise by Developer of any rights under these Terms shall not constitute a waiver of any such rights.

Article 15 (Use Requirements)

Use of the App requires compatible hardware, software (latest versions are recommended and may be required), and Internet access (fees may apply). The performance of the App may be affected by these factors.

Article 16 (Age Restriction)

The App is intended for use by individuals aged 13 years or older (or the equivalent minimum age in Japan). Accounts for minors must be created by a parent or legal guardian.

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