Cartera electrònica is a mobile application developed by Autoritat del Transport Metropolità de Barcelona to provide a mobile solution for traveling on public transport in Barcelona. This free app is available for Android devices and requires an NFC-enabled device with Android 6.0 or later operating system to function.

The app offers a simple and convenient way to purchase and store travel tickets on your mobile device. With just a few taps, users can buy, manage and validate their travel tickets on the go. Cartera electrònica also provides real-time information on public transport schedules and network maps, making it easier for users to plan their journey.