With the camera of your smartphone, you can check and validate the tickets to your events, simply by scanning a QR code.
For this, go to the Viteinscrit.com platform, create your event and enable ticketing option for entries.
Since the app, you have access to the list of participants and their individual record which also include the controller name, date and time of validation of the ticket.
All checks made by the application are recorded and synchronized to the Viteinscrit.com platform. You can have multiple persons conducting simultaneously control inputs.