As a consultant, I’ve had this situation come up many times, and it’s very frustrating because Apple doesn’t allow an Apple ID to belong to more than one iTunes Connect account. The scenario is that you have a client or friend that you would like to be an internal tester in your organization’s iTunes Connect account, or, perhaps it’s the corollary situation in which you have a client who has their own iTunes Connect account and you need access to their account as a tester or admin or developer. I’ve had this situation come up both ways, and here is how I’ve dealt with it. The main requirement is that your prospective tester has a Gmail account. I’m not sure if this trick[…]