Thank you for posting on the Community Forum for help with your TV GO device count issue. I'm sorry to hear you're having some problems with your account.
Have you tried to remove your iPad from your known devices and readding it again?
Can you also please confirm if you have recently signed into your account using the web version of TV GO? This can sometimes cause TV GO to register the same device more than once if cache and cookies are cleared, or anti virus software is used.