Privacy Policy

Last Updated: February 13, 2026

Willee Project ("Developer") values the privacy of Twenty Four Hours ("App") users and complies with applicable privacy laws and regulations.

1. Information We Collect

1.1 Required Information

No information is collected for basic app functionality. Schedule data is stored only on your device.

1.2 Optional Information

Item	Purpose	Collection Timing
Google Account (email)	Cloud sync service	When user enables sync
Advertising ID	Personalized advertising	When ads are displayed
Purchase Information	In-app purchase processing and ad removal	When making a purchase

2. Data Storage

2.1 Local Storage

Schedule data, completion records, and app settings are stored locally on your device and are not transmitted to the developer's servers.

2.2 Cloud Storage (Optional)

If you enable cloud sync, your data is stored in your own Google Drive. The developer cannot access this data.

3. Third-Party Services

The app uses the following third-party services:

• Google AdMob: Advertising (Google Privacy Policy)
• Google Play Billing: In-app purchase processing
• Google Drive API: Cloud sync (optional)
• Google Sign-In: Account authentication (optional)

4. Data Retention and Deletion

• Local data: Automatically deleted when you uninstall the app.
• Cloud data: You can delete it directly from Google Drive.
• Advertising ID: Can be reset or disabled in device settings.

5. Your Rights

You have the following rights:

• Choose whether to use cloud sync
• Remove ads through in-app purchase
• Delete all local data by uninstalling the app
• Disconnect your Google account

Additional Rights for European Users (EEA/UK/Switzerland)

If you are located in the European Economic Area (EEA), the United Kingdom, or Switzerland, you have the following additional rights under the General Data Protection Regulation (GDPR):

• Right of Access: You may request a copy of the personal data we hold about you.
• Right to Rectification: You may request correction of inaccurate personal data.
• Right to Erasure: You may request deletion of your personal data.
• Right to Restriction of Processing: You may request that we restrict the processing of your personal data.
• Right to Data Portability: You may request to receive your personal data in a structured, commonly used format.
• Right to Withdraw Consent: You may withdraw your consent for data processing at any time. This does not affect the lawfulness of processing based on consent before its withdrawal.
• Right to Lodge a Complaint: You have the right to lodge a complaint with your local data protection supervisory authority.

Legal Basis for Processing: We process your personal data based on your consent (e.g., enabling cloud sync, displaying personalized ads). You can withdraw consent at any time through the app settings or device settings.

To exercise any of these rights, please contact us at hanworld@willee.net.

6. Children's Privacy

This app is not intended for children under 13 years of age, and we do not knowingly collect personal information from children.

7. Account and Data Deletion

You can delete your data at any time.

7.1 Delete Local Data

All data stored on your device (schedules, completion records, settings) will be automatically deleted when you uninstall the app.

• Android: Settings → Apps → Twenty Four Hours → Uninstall
• Windows: Delete the app folder or remove via Control Panel

7.2 Delete Cloud Data

To delete backup data stored in Google Drive:

• Go to Google Drive
• Navigate to "My Drive" → App data folder and delete "twenty_four_hours_backup.json.gz"
• Or disconnect the app from Google Account Permissions

7.3 Disconnect Google Account

To disconnect your Google account from the app:

• In-app Settings → Cloud Sync → Sign Out
• Or remove "Twenty Four Hours" access from Google Account Permissions

7.4 Data Deletion Request

If you have difficulty deleting data using the above methods, please contact us and we will assist you.

8. Changes to This Policy

This privacy policy may be updated due to legal requirements or service changes. We will notify you of significant changes through in-app notifications.

9. Contact Us