BioLife Plasma Services

I set two appointments for this week through the app. I've tried to go on the app to reschedule those appointments all week and the app won't let me sign in. I tried to reset the password and it states that my user ID does not exist yet I have had emails sent from BioLife to that very same address. I went to the website on my desktop and the website won't even load. I call the phone number provided and choose the set appointment option which just tells you to set the appointment by app or online. I called and left a message twice asking for a call back so I may reschedule and NO ONE has called me back. I called the corporate phone number and it gives you several options, I choose the option I need and it just hangs up on me. This is awful customer service.