Hi there, KW9.
A new account might have been created when you paid a subscription through the App Store.
Please check the email confirmation if it has the same User ID. Otherwise you will need to cancel the subscription created in the App Store. Then, renew the subscription from the mobile app or in the web version.
Please see these articles for more details:
You can also reach out to our customer support so they can review your account. You can send them an email through this link: https://help.quickbooks.intuit.com/en_GB/contact.
I'll be around if you have other questions.