LovePuls' is a mobile application designed in a sociological context about dating networks. It is a shifted prospective application, working on the principles of actual encounter applications. It is the result of a finding that many users of these networks can hide their honesty at any time. With LovePuls', no more lying problems ! The application measures your heart rate everytime to see if you are lying. From these measures, a TruthScore will be assigned to you and will evolve continuously during the use of the application.