According to the user agreement on the official website of the Ichiban Diet app, permanent membership does not support refunds after purchase. Specifically, users need to carefully read and agree to the terms and conditions before purchasing a permanent membership, which clearly states that permanent memberships are not refundable once purchased. Therefore, if users want a refund after purchasing a permanent membership, they cannot get a refund.

Before purchasing a permanent membership for the Ichiban Weight Loss app, users are advised to read the terms and conditions and instructions carefully to understand clearly the content of the service they are purchasing and the refund policy.