Help for grown-ups
A few short answers for the family space. Account and privacy actions are for a grown-up.
Use the verified email address you used to set up Wiggly Junior. A grown-up creates and manages the family space.
A new family space starts with a Wiggly Junior Premium or Wiggly Junior Premium Family plan, and grown-up mode shows both under Plans & billing. Monthly plans offer a 7-day trial and annual plans a 14-day trial when the payment provider confirms eligibility. Before purchase you see the renewal price, interval, and cancellation route. Web subscriptions are managed through the account billing portal; app-store subscriptions are managed in their store.