To use the DiscoverEU Interrail Pass, you will need to download the DiscoverEU Travel App on your smartphone. Android users can download it here, and iPhone users can download it here.
Your smartphone must meet the minimum software requirements to use the app: Android 6.0 or later, or iOS 16.0 or later.
If you are using an earlier software version, please check your device settings to see whether a software update is available for your smartphone.