Terms of Use
Last updated: July 23, 2026
These Terms of Use ("Terms") govern the use of the application "Gymnastics AI" (mobile and web versions; "the App"). By using the App, you agree to be bound by these Terms.
1. Service Description
The App is a reference tool that calculates D-Scores (Difficulty Scores) for artistic gymnastics using data based on the FIG (International Gymnastics Federation) Code of Points. Per-event calculation is available for free. The App is offered as mobile versions (iOS/Android) and a web version (browser).
2. Important Disclaimer (Accuracy of Scores)
- Calculation results provided by the App are reference values only and do not replace official judging or official records in competition.
- Element data and calculation logic may differ from actual scores due to rule revisions, input content, or interpretation. We do not guarantee the accuracy, completeness, or fitness for a particular purpose of any calculation result.
- In actual competitions, always follow official rules and judges' decisions. We accept no liability for any consequences arising from the use of this App.
3. Pricing & Subscription
- Premium features (such as the "All-Around" feature) are available through an auto-renewing subscription. Per-event D-Score calculation is free.
- Mobile versions: ¥500/month (tax included). Purchases are processed through Apple (App Store), and the Apple Standard End User License Agreement (Apple Standard EULA) also applies. Manage or cancel from your App Store account settings.
- Web version: ¥500/month or ¥3,600/year (tax included; includes a 7-day free trial). Payments are processed through Stripe. Manage or cancel under Settings → Account in the App.
- Prices are subject to change, in which case the price shown on the relevant store/checkout screen applies.
- Auto-Renewal: Your subscription will automatically renew and you will be charged the same amount unless you turn off auto-renewal before the end of the current period (at least 24 hours before, on mobile). Please cancel before the next renewal date. If you cancel during the free trial, no charge is incurred.
4. Account (Web Version)
The web version requires an account (email and password) to use premium features.
- Please provide accurate registration information.
- You are responsible for keeping your password secure. Contact us promptly if you suspect unauthorized use by a third party.
- We may suspend or delete an account without prior notice in the event of misuse or violation of these Terms.
- To request deletion of your account and synced data (routines, etc.), contact us at the address below (see the Privacy Policy for details).
5. Intellectual Property
All rights to the App and its components (software, design, curated element data, etc.) belong to the developer or their rightful owners. Users may not reproduce, modify, or redistribute these beyond the scope of personal use.
Headlines and images from external sites shown in the App's "Media" feature belong to their respective publishers. They are displayed with attribution based on RSS feeds each site publishes, and all links lead to the original articles. Upon request from a rights holder, we will promptly remove the relevant source (contact below).
6. Prohibited Conduct
Users shall not engage in the following:
- Any act that violates laws or public order
- Any act that interferes with the operation of the App, unauthorized access, or reverse engineering (except as permitted by law)
- Sending content that infringes on the rights of third parties or is otherwise inappropriate through the feedback feature
7. Limitation of Liability
- The App is provided "as is," and we make no warranties, express or implied.
- We shall not be liable for any damages arising from the use or inability to use the App, to the extent permitted by law.
8. Changes to These Terms
We may update these Terms as necessary. Significant changes will be announced within the App or on related pages. Continued use of the App after changes constitutes acceptance of the revised Terms.
9. Governing Law & Jurisdiction
These Terms are governed by the laws of Japan. In the event of a dispute between us and a user regarding the App, both parties shall first attempt to resolve the matter through good-faith discussion. If no resolution is reached, the court with jurisdiction over the developer's (Daito Iwasaki) place of residence shall have exclusive jurisdiction as the court of first instance.
10. Contact
For inquiries regarding these Terms, please contact us at daitoiwasaki@icloud.com.