1. Use your phone to log into the account with the username.
  2. Once logged in, go to your profile settings; it's the 3 horizontal stripes at the top left corner of the FitVault home screen.
  3. Tap profile, and then change the name to the one you want.
  4. Then be sure to enter the ID number, and also select Multiply as your Health Provider.
  5. Thereafter you are good to go.