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Privacy Policy

Last updated: February 18, 2026

1. Data Collection

This App follows a "privacy-first" design philosophy:

• Local Storage: All your transaction data, account information, and category settings are stored locally on your device
• No Cloud Upload: We do not upload your financial data to any server (unless you enable iCloud backup)
• No Tracking: We do not use third-party tracking or analytics tools to collect your usage behavior

2. Information We Collect

We only collect the following necessary information:

• Subscription Information: Subscription status processed through Apple (excluding payment details)
• Device Information: Basic device type to ensure App compatibility
• Crash Reports: Anonymous technical information may be collected only when the App encounters errors to improve stability

3. E-Invoice Feature

If you use the e-invoice import feature:

• Your carrier information is stored only on your device
• Invoice data is obtained through the Ministry of Finance e-invoice platform API
• We do not store or access your invoice data on any external server

4. iCloud Backup

If you enable iCloud backup:

• Your data will be synced to your personal iCloud account
• Data security is guaranteed by Apple iCloud services
• We cannot access your data stored in iCloud

5. Location Information

This App may request location permission for:

• Recording purchase locations (optional feature)
• Location information is stored only on your device
• You can disable location permission in system settings at any time

6. Notifications

If you allow push notifications:

• Used only for recording reminders, budget alerts, etc.
• Notification content does not include your financial data
• You can disable notifications in system settings at any time

7. Third-Party Services

This App uses the following third-party services:

• Apple StoreKit: Processing subscription payments
• Apple iCloud: Providing backup functionality (requires user activation)
• Ministry of Finance E-Invoice Platform: Retrieving invoice data (requires user authorization)

8. Data Security

We take reasonable security measures to protect your data:

• All sensitive data is stored in your device's secure storage
• We recommend enabling device passcode or Face ID/Touch ID for added security
• We recommend regularly backing up your data to prevent data loss

9. Children's Privacy

This App is not designed for children under 13, and we do not intentionally collect personal information from children.

10. Privacy Policy Changes

We may update this privacy policy from time to time. Updated policies will be posted on this page with an updated "Last updated" date. We recommend checking this page regularly.

11. Your Rights

You have the following rights:

• Access: You can view all data stored in the App at any time
• Deletion: You can delete any data in the App at any time, or uninstall the App to delete all data
• Export: Pro users can export all data

12. Contact Us

If you have any questions or suggestions about this privacy policy, please contact:

Email: doumo.feedback@gmail.com

Developer: Wayne