Here are the steps to add family members to one account:
1) Log in to the existing account in the Carbon Health app
2) In the lower right, tap on the name / profile
3) Tap on "Switch patient"
4) Tap on "+ Add a family member"
The log in details will be the same and you are free to switch between patients using Switch Patient.
Let us know if you have any issues adding family members or partners by emailing us at firstname.lastname@example.org . Happy to help!