Coach account is created by Trainesense when the SmartPaddle device is purchased. With Coach account it is possible to create Athlete accounts and record under athlete accounts. With coach account it is possible to allocate licenses to athlete accounts (athletes under that coach account).
Athlete account can be created by signing-up login.trainesense.com. Athlete can see her/his own data, allocate license and record swims to her/his own account. Athlete can also invite coach or multiple coaches that can see athletes data and record swims under athletes account. Athlete can also remove coach.