Panda Calculator Privacy Policy

Effective Date: 2026-07-13

By using Panda Calculator, you agree to the practices described in this Privacy Policy.

Panda Calculator is a purely local utility calculator app. We collect as little information as possible, processing data only to the extent necessary to deliver core product functionality.

1. Who We Are

• Product Name: Panda Calculator
• Developer Website: https://mrqk.com
• Contact Email: yokinzhu@gmail.com
• WeChat: Zhuyokin

2. What Information We Process

During your use of the App, the following may be stored on your device:

• Numbers and calculation history you enter in the calculator
• Parameters you fill in for mortgage, auto loan, housing fund, social insurance, salary, and income tax modules
• Your local preferences such as theme colors, haptic feedback, and interface options
• Input for unit conversion, RMB uppercase/lowercase conversion, kinship term lookup, and bill splitting

This information is stored only locally on your device by default and is used solely to deliver the App's core functionality.

3. How We Use This Information

The above information is used only for the following purposes:

• Fulfilling the various calculation requests you initiate
• Sharing related data across modules (e.g., salary data linked to social insurance, housing fund, and income tax calculations)
• Saving your preferences to optimize the user experience

All data processing is performed locally on your device. No data is uploaded to any server or used for any other purpose.

4. How We Share Information

This App does not collect, upload, or share any user data. We do not provide your information to any third party because we simply do not obtain it.

5. Third-Party Services

This App does not use any third-party analytics, advertising, or tracking SDKs. All features are implemented locally and do not rely on any external network services.

6. Data Security

Since all data is stored only on your device, data security depends on your device's own security mechanisms. We recommend protecting your device with a passcode, Face ID, or Touch ID.

7. Children's Privacy

This App is not directed at children under 13 and does not knowingly collect personal information from children.

8. Privacy Policy Updates

We may update this Privacy Policy from time to time. The updated policy will be published on this page, and continued use constitutes acceptance of the updated terms.

9. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us at:

• Email: yokinzhu@gmail.com
• WeChat: Zhuyokin