Bayern Munich executive Rouven Kasper has criticized Borussia Dortmund's "Fan Mode" mobile application in a recent interview, prompting a response from Dortmund's managing director Carsten Cramer. The exchange highlights growing tensions between the Bundesliga rivals over digital fan engagement strategies.
The interview, published by Yahoo Sports on November 3, 2026, did not disclose specific details of Kasper's critique or Cramer's rebuttal. Both clubs have been investing heavily in digital platforms to enhance supporter experiences.
