How is the BahnCard 100 and Deutschland-Ticket checked on the train?

There are different regulations for the (trial) BahnCard 100 and the integrated Deutschland-Ticket for checking on the train:

• Show your BahnCard 100 in the DB Navigator app under ‘BahnCards, season tickets & subscriptions’ in the ‘Journeys’ menu. 
• You must load the integrated Deutschland-Ticket onto a customer account (business or private) and present it digitally in the DB Navigator app.