Your Trax App and the Traxfamily.com website accounts are not linked.
1. Open the Trax App.
2. Fill in the Sign Up form.
3. Confirm your email address in the mail you received from the Trax website.
4. Login to the Trax app with username (email address) and password.
5. To change your password, go the account settings page in the app, follow the steps to update your password and tap "Save".