Refund Policy

Thank you for using this AI lung X-ray diagnosis service.

1. Free Trial Policy

COVID-19 testing is a permanently free service. You can experience the AI analysis process without subscribing.

2. Used Content is Non-Refundable

This product is an instant delivery digital service. Once the image is uploaded and the AI reasoning result is obtained, the service is considered completed, and the paid fees are not refundable.

3. Refundable Situations

• No usage after subscription (i.e., no image upload or analysis record);
• Duplicate subscriptions resulting in repeated charges.

4. Application Method

Please contact us at support@aitool.fit within 7 days after payment and provide your subscription receipt and usage explanation.

We will process and respond to your request within 3 working days.

5. Subscription Cancellation

You can cancel your subscription at any time. After cancellation, you may continue using the service until the end of your current billing period. No charges will occur after expiration.