You can create an account with an e-mail address and password, as well as with your Apple ID and Google or Facebook accounts. To keep your data synced across devices, make sure you use the same accounts to sign in to FamilyNotes.
Open FamilyNotes > Create an account > Register
Enter E-mail address and password > Next
After that, you'll receive an e-mail to confirm your e-mail address.
Alternatively, you can create an account using your Apple ID, Google account, or Facebook account. If you select one of these three options, a window will appear for you to confirm authorization via the chosen method.