Daily Brain Training 【Brain Region Calculation Training】 — Privacy Policy

1. Introduction

This Privacy Policy describes how the application "Daily Brain Training 【Brain Region Calculation Training】" (hereinafter "the App") handles personal information.

Operator / Data Controller: Kazuya Matsumoto (Contact: kensyumi.app@gmail.com)

2. Basic Policy

This App provides daily brain-training games targeting three brain regions: the Frontal Lobe, Temporal Lobe, and Hippocampus, focusing on calculation-based training. No account registration is required. All training progress and achievement data are stored solely in local storage on your device.

This App displays no advertisements and has no functionality that transmits personal information externally.

3. Data We Collect

3.1 User-Generated Data

• Progress and results for each training mode
• Achievement completion status
• App settings (language, etc.)

All such data is stored only on your device and is never transmitted externally.

3.2 Automatically Collected Data

This App does not collect crash reports or usage statistics. No analytics tools or advertising SDKs are integrated.

4. Purpose of Use

• Providing Frontal Lobe training (Elevator Calculation), Temporal Lobe training (Picture Shiritori), and Hippocampus training (Yesterday's Quiz)
• Retaining training progress and achievements locally on your device
• App quality improvement and bug fixes

5. Sharing with Third Parties

This App does not transmit or share user information externally. We will not provide personal information to third parties except as required by law.

6. Use of External Services

This App does not use any external advertising, analytics, or authentication services.

7. Data Retention

• Training data, settings, and achievements: retained until the App is uninstalled (stored locally on device)

All data can be deleted by uninstalling the App.

8. Your Rights

• You can delete all data on your device by uninstalling the App
• You can reset the App's data from your device settings

9. Children's Privacy

This App is a brain-training app enjoyable by all ages. As no personal information is collected, it is safe for children to use. Users under 13 require parental consent.

10. Changes to This Policy

We will notify users of important changes via in-app notifications or our website. Updated policies take effect upon posting.

11. Contact