Träwelldroid is a free check-in service for recording your public transport journeys. To use this app, an account with Träwelling is required.

With this app you can:

Check in on your trips on public transport and public transport throughout Germany and in some European countries
share your check-ins on Mastodon
check in to events in the Träwelling community
View statistics regarding your trips
View your friends' rides and check in with them

This app is a community project and has no official connection to Träwelling itself.