This is almost always down to the email address you used to purchase the subscription on the website.
Make sure you are logged into the app with the same email address you used to purchase (Check the email address listed by the profile picture on the home page).
You can check for purchase confirmation emails which will be sent to the purchasing email address shortly after signup.
If you are sure you are logged into the same email address, contact us directly through the in app chat, or via email at [email protected]