How do website subscribers login to the apps?

Subscribers use the same website username and password to login into the apps. 

To confirm the login go to

1. https://examplewebsite.com/my-account/ or /my-profile/ and login
2. The password can be updated here if needed
3. Load up the app, tap the menu icon and tap login
4. Use the same email and password from the website /my-account/ page
5. That's it