Scrolld
Delete your account
In the app
Open Scrolld, go to You, then Delete my account.
Or here
Sign in with the Google account you use in Scrolld, then delete it.
What gets deleted
Your account, username, birthdate, daily totals, Circle memberships and notification tokens, straight away. Circles you own pass to another member. Your app-by-app history only ever lived on your phone: uninstall the app to remove it. Cancel a subscription separately in Google Play.