Maybe this works in Switzerland, where delays are rare. But in Germany, where delays are frequently more than one hour, EU law requires the train company to p

Maybe this works in Switzerland, where delays are rare. But in Germany, where delays are frequently more than one hour, EU law requires the train company to pay back a part of the price because of the delay. But if you cannot show when you would have arrived with no delays, because you used such an app, it does make such an app unattractive.