WUJI

Privacy Policy

Effective Date: 1 October 2026

1. Introduction

This Privacy Policy describes how WUJI ("we," "our," or "us") collects, uses, and protects your information when you use the WUJI mobile application.

2. Information We Collect

2.1 Information You Provide (Stored Locally Only)

• Financial data you enter (expenses, income, notes, calculations)

• Custom categories, folders, and labels

• App settings and preferences

2.2 What We DO NOT Collect

• We do NOT store your financial data on our servers

• We do NOT collect personal identifiable information

• We do NOT use tracking or advertising identifiers

• We do NOT sell or share your data with third parties

3. How We Use Your Information

• Core Functionality: To provide expense tracking and calculation features

• iCloud Backup and Restore: To backup and restore your data across your Apple devices (Premium feature)

• Customer Support: To respond to your inquiries

4. Data Storage and Security

4.1 Local Storage

All your financial data is stored locally on your device using encrypted SQLite databases.

4.2 iCloud Storage (Premium)

If you enable iCloud backup, your data is encrypted and stored in YOUR personal iCloud account. We cannot access this data - it belongs entirely to you.

4.3 Our Servers

We do NOT have servers that store your data. Your expense records, notes, and calculations remain 100% private to you.

5. Third-Party Services

5.1 Apple App Store

In-app purchases are processed by Apple. We receive only purchase confirmation, not payment details.

5.2 Google AdMob (Free Version)

Ads are served by Google AdMob. We have disabled personalized ads, so AdMob does not track you for advertising purposes. Only contextual ads are shown.

6. Your Rights

• Access: All your data is accessible within the app

• Deletion: Delete individual records or all data via app settings

• Export: Export your data to CSV format for backup or analysis

• Import: Import data from WUJI-exported CSV files to restore information

• Portability: Your data remains in standard CSV format for easy transfer

• Visualization: View your data through interactive pie charts and analytics

7. Changes to Privacy Policy

We may update this Privacy Policy. Continued use of the app after changes constitutes acceptance of the updated policy.

8. Contact Us

For privacy-related questions, contact us at:

• Email: support@wufan.app

• Subject: WUJI Privacy Inquiry

9. Data Retention

Your data is retained as long as you keep the app installed. Deleting the app removes all local data. iCloud data can be removed through your iCloud settings.