Can I redeem promotional codes? Michael Rieder February 08, 2021 13:44 Updated Yes, promo codes of the BLS Mobil app can be redeemed in the app. Related articles What do I have to do during a ticket inspection? When will I receive each receipt? Which payment methods can I use for purchasing tickets with the BLS Mobil app? Is check-in/check-out valid for mountain transport? Can I save my SwissPass to the app?