The subscription gives access to:
both parents
children
third parties (grandparents, babysitters, etc.)
mediators (read-only access)
👉 The other parent does not need to pay.
They simply join the account by accepting an invitation.
Key points
There is no subscription per parent
Subscription costs can be shared using the Finance section
All features are included in the subscription
If your subscription was made through Apple or Google, billing is managed directly via the app store.
If it was made through the 2houses website, all details are available in the My subscription section.