Privacy Policy
Established: April 10, 2026 Last Updated: April 10, 2026
HIGASHIDEYA, K.K. ("we," "us," or "our") operates the mobile application "Piano Score Fighter" (the "App"). This Privacy Policy describes how we handle information related to the App.
1. Information We Collect
- support_id
- Platform information (iOS / Android)
- App version
- Subscription information (plan, status, expiration date, last verified date, etc.)
- Information provided by the user when contacting support
2. How We Use Your Information
- Providing and maintaining the App
- Verifying and managing subscriptions
- Responding to support inquiries
- Preventing fraud and ensuring security
- Complying with applicable laws and regulations
3. Third-Party Services
The App uses the following external services for subscription verification:
- Apple App Store / App Store Server API
- Google Play / Google Play Developer API
4. Sharing with Third Parties
We do not share collected information with third parties except as required by law.
5. Data Retention
We retain collected information for as long as necessary to fulfill the purposes described in this policy.
6. Data Security
We implement appropriate security measures to protect the information we collect.
7. Cookies
Pages displayed via WebView within the App may use cookies to improve your experience.
8. Children's Privacy
Users who are minors should use the App with parental consent as appropriate.
9. Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be effective upon posting to this page.
10. Contact Us
For inquiries regarding this Privacy Policy:
Operator: HIGASHIDEYA, K.K.
Email: inquiry.piano.score.fighter@gmail.com
Please use the in-app contact form via App Settings > Contact Us.
We currently accept inquiries related to subscriptions only.