Privacy Policy

This Privacy Policy defines the handling of personal information of users in the use of "Dakkoken" (hereinafter referred to as "the App").

1. Information We Collect

The App collects the following information:

1.1 Personal Information

The App does not collect any personally identifiable information (such as name, email address, or phone number).

1.2 Usage Data

The App stores the following data only on your device:

• Number of remaining tickets
• Timer duration settings
• App configuration settings

All of this data is stored locally on your device (local storage) and is never transmitted to external servers.

2. Purpose of Information Use

The data stored in the App is used only for the following purposes:

• Managing the number of remaining tickets
• Providing timer functionality
• Saving and restoring user settings
• Synchronization with Apple Watch

3. Disclosure to Third Parties

The App does not provide or disclose user information to any third parties.

4. Data Storage Location

All data used by the App is stored in the following locations:

• On the user's device (iOS device, Apple Watch)
• If iCloud is enabled, data may be stored in iCloud in accordance with Apple's Privacy Policy

No information is stored on external servers or databases.

5. Use of Firebase

The App uses Firebase (a service provided by Google), but does not collect personal information as follows:

• Firebase Authentication: Only anonymous authentication is used, and no personally identifiable information is collected
• Firebase Firestore: Stores user ticket information and settings, but does not include personal information
• Firebase Analytics: Not used

For detailed information about Firebase's privacy policy, please refer to Google Firebase Privacy Policy.

6. Use of Google AdMob

The App uses Google AdMob for advertising delivery.

• AdMob may use the device's advertising identifier (IDFA) for ad delivery
• Users can limit personalized advertising by enabling "Limit Ad Tracking" in iOS settings
• For AdMob's privacy policy, please refer to Google Privacy Policy

7. Cookies and Tracking Technologies

The App does not use cookies or tracking technologies.

8. Children's Privacy

The App is suitable for all ages. Since we do not collect personal information, no special consideration for children's privacy is required.

9. Data Deletion

Uninstalling the App will delete all data stored on your device. If you wish to delete data stored in Firebase, please contact us.

10. Security

The App takes the following measures to ensure data security:

• All data is stored either on the device or on Firebase's secure servers
• Firebase security rules ensure that users can only access their own data
• All communications are encrypted

11. Changes to Privacy Policy

This Privacy Policy may be updated as necessary. The updated Privacy Policy will take effect when posted on this page.

12. Contact Us

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