“Ticket sans contact” is an extension to your transit application. It enables you to digitalize and secure a transit card on your mobile and securely store all tickets purchased through the transit application.
Once both the transit app and the “Ticket sans contact” extension are installed on your compatible mobile (depends on the transit app implementation), you can purchase transit tickets from the transit app. Validating tickets is a simple wave of your smartphone onto a contactless reader or gate.

Compatibility with your Smartphone depends on the choice and implementation of each Transport Network and their mobile app: