Refund Policy

Last updated: October 11, 2026

1. Free Software — No Purchase Involved

JianYing Projection is free and open-source. Downloading and using it involves no payment, so there is nothing to refund for the Software itself.

2. Voluntary Sponsorships Are Non-Refundable

Contributions through this website are voluntary sponsorships (donations) supporting development.

They are not purchases of goods or services and are generally non-refundable.

3. Erroneous or Duplicate Payments

If you made a payment in error (e.g. duplicate charge or wrong amount), contact us within 14 days at issashiyuhang@gmail.com with your receipt. We review each case individually and will arrange a refund via our payment processor where appropriate.

4. Before Filing a Chargeback

Please contact us first at issashiyuhang@gmail.com so we can resolve it directly.

5. Contact

Questions about this policy: issashiyuhang@gmail.com