Nick Scali do not save your facebook personal data in our server. You can remove the authority not to allow Nick Scali app to access your Facebook basic information. Below are the instructions to remove the permission.
Go to your Facebook Account’s Setting & Privacy. Click “Settings”
Look for “Apps and Websites” and you will see all of the apps and websites you linked with your Facebook.
Search and Click “Nick Scali” in the search bar.
Scroll and click “Remove”.
Congratulations, you have succesfully removed your app activities.