Privacy Policy

Last Updated: January 28, 2026

1. Information We Collect

The App stores the following information only on the user’s device:

【Financial Data】

  • Account information (account name, type, balance)
  • Income records (amount, date, notes)
  • Expense records (amount, date, category, notes)
  • Category settings

【Settings Information】

  • Language settings
  • Currency settings
  • Notification settings
  • Month start date settings

All of this information is stored locally on the user’s device. No data is transmitted to any external servers.

2. Where Information Is Stored

All data is stored in a dedicated area within the App on the user’s device.

Data is encrypted and stored on the device’s storage.

The developer does not access user data under any circumstances.

Users are responsible for backing up their own data.

3. Purpose of Information Use

The collected information is used solely for the following purposes:

  • Providing household budget management features
  • Generating income and expense reports
  • Providing notification features
  • Maintaining app settings

4. Disclosure to Third Parties

The App does not provide, disclose, or share any user personal information with third parties.

All data is stored solely on the user’s device and is never transmitted externally.

5. User Rights

Users may exercise the following rights at any time:

  • View data: All data can be viewed within the App
  • Edit data: Data can be freely edited within the App
  • Delete data: All data can be deleted from the Settings screen
  • Export data: Planned for implementation as a future feature

6. Security

Data is stored in the device’s secure storage.

Since no network communication is performed, there is no risk of information leakage through communication channels.

However, users are responsible for managing the security of the device itself (such as screen lock).

7. Children’s Privacy

The App is not intended for users under the age of 13.

If a person under the age of 13 uses the App, it should be done with the consent and supervision of a parent or guardian.

8. Changes to This Policy

This Privacy Policy may be updated as necessary.

The revised policy shall take effect upon publication within the App.

Users will be notified of any significant changes through in-app notifications.

9. Contact Us

If you have any questions regarding this Privacy Policy, please contact us at:

App Name: DueKeeper

Contact: Please reach out through the support page within the App