Terms of Service

Effective Date: June 29, 2026

1. Acceptance of Terms

By using this Service, you agree to comply with and be bound by these Terms. If you do not agree, please discontinue use immediately.

2. License & Usage

This Service is licensed for personal and commercial use for cross-border duty calculation purposes. You may not reverse engineer, resell, or redistribute the Service without explicit permission.

3. 7-Day Free Trial

All new users receive a 7-day free trial with full functionality. After the trial expires, you must purchase a license to continue using the Service.

4. One-Time Payment

Price: $7.77 USD one-time payment. Payments are processed via Creem. Lifetime access to the current major version (1.x). Major version upgrades may require a separate purchase at a discounted rate for existing users.

5. 14-Day Refund

Full refund within 14 days of purchase only if your license has not been activated. Contact support via our official website to request a refund.

6. Data Storage & Privacy

All calculation records are stored locally on your device. No data is uploaded to our servers automatically. See our Privacy Policy for details.

7. Disclaimer of Warranties

The Service is provided "AS IS" and "AS AVAILABLE". We do not guarantee that the Service will be error-free or uninterrupted.

8. Limitation of Liability

We are not liable for any data loss, business interruption, or damages arising from use of the Service. You are responsible for backing up your data.

9. Governing Law

These Terms shall be governed by the laws of Hong Kong SAR.

10. Contact

For questions about these Terms, please contact us through our official website support channel.