Apple App release without playStore

Can we chat in details. We can do with testflight. I have almost knowledge of apple store and i can help your for the same

Hello, I can think of 2 ways. 1. The apple way -> Ask your client to enroll in the apple business manager -> Change your pricing and availability to be available only to your client -> then submit it once again. 2. The not so good way. -> Keep delivering your app through testflight (in this case, you will have to upload a new version every 90 days) att.