Commercial Disclosure
Last Updated: April 10, 2026
This disclosure is provided in accordance with the Japanese Act on Specified Commercial Transactions (特定商取引法). It applies to purchases made through the "Piano Score Fighter" application.
| Operator | HIGASHIDEYA, K.K. |
|---|---|
| Representative | Kazukazu Higashide |
| Address | 4-3-15, NOKENDAI, KANAZAWA-KU, YOKOHAMA, KANAGAWA, JAPAN * Disclosed promptly upon request. |
| Phone Number | [Phone Number] * Please contact us by email. Phone number is disclosed promptly upon request. |
| Email Address | inquiry.piano.score.fighter@gmail.com |
| Pricing | Plus Plan: $2.99 / month Premium Plan: $6.99 / month * The price displayed on the purchase screen at the time of purchase is the applicable price. |
| Additional Fees | Internet connection costs are the user's responsibility. |
| Payment Method | Payment is processed via the App Store (iOS) or Google Play Store (Android). |
| Payment Timing | Charged immediately upon purchase confirmation. For auto-renewals, charged within 24 hours before the end of each billing period. |
| Service Availability | Access to the purchased plan features is granted immediately after purchase. |
| Cancellation | You can cancel via your App Store or Google Play account settings. You may continue to use the service until the end of the current period after cancellation. |
| Refunds | Due to the nature of digital content, refunds are generally not available. Refunds are subject to each store's refund policy. |
| System Requirements | Please refer to the supported environments listed on the App Store or Google Play product page. If you plan to use a MIDI keyboard, please verify compatibility on the Free plan before purchasing a paid plan. |
* In-app purchases are processed through the App Store (Apple Inc.) and Google Play Store (Google LLC).