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Terms of Service

Last updated: March 21, 2026

1. Service Overview

Leolin ("the Service") is an AI-powered English conversation learning app designed for children ages 5-12. The Service provides features including English conversation practice with the AI character "Leo," curriculum-based learning, and mini-games.

2. Registration

  • The Service can be used in guest mode (without registration).
  • Account registration is done via Google or Apple Sign-In.
  • Parental consent is required for children to use the Service.

3. Pricing

  • The Service offers both a free plan and a subscription (paid plan).
  • Some features are limited on the free plan.
  • Subscription pricing and details are as displayed on the App Store.
  • Subscriptions can be canceled through Apple's subscription management.

4. Prohibited Activities

Users must not engage in the following activities:

  • Activities that violate laws or public order
  • Activities that interfere with the operation of the Service
  • Unauthorized access, reverse engineering, or similar activities
  • Activities that infringe on the rights of other users or third parties
  • Unauthorized commercial use of the Service

5. Intellectual Property

All content of the Service (text, images, audio, software, etc.) is the property of the Company or its rightful owners.

6. Disclaimer

  • The Service is provided "as is."
  • We do not guarantee the accuracy of AI-generated responses. Please use the Service as a supplementary learning tool.
  • We are not liable for service interruptions due to network conditions or system failures.
  • We are not liable for damages arising from the use of the Service, except in cases of intentional misconduct or gross negligence.

7. Changes & Termination

We may modify the content of the Service or terminate it with prior notice. In the event of termination, we will provide reasonable advance notice.

8. Changes to These Terms

We may update these terms as needed. Updated terms become effective when posted on the app or website.

9. Governing Law

These terms are governed by and construed in accordance with the laws of Japan. Any disputes arising from the Service shall be subject to the exclusive jurisdiction of the Tokyo District Court.

10. Contact Us

For questions or requests about these terms, please contact us at:

Email: support@leolin.app