Then what's the problem? That trust should be worth the $100. The message from Apple doesn't say that it's untrustworthy just that it's not trusted by Apple. If

Then what's the problem? That trust should be worth the $100. The message from Apple doesn't say that it's untrustworthy just that it's not trusted by Apple. If users didn't trust Apple, that wouldn't make a difference. If it's important to you for users to trust your app, then there are ways to do that. One of those ways is paying the $100. There are other ways outside of that, though.