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.