GermanyA fare is a local arrangement, not a national one
Most German cities sit inside a regional transport association: one shared fare system covering the buses, trams, underground, suburban services and local trains across a whole area, so a single purchase carries you between all of them. It is an elegant arrangement, drawn locally. The zones are numbered differently in each region, the day pass and the group pass go by different names, and the boundary where one association hands over to the next is invisible from the window. Buying it on your handset is what makes this workable: the seller adjusts to wherever you are standing, rather than expecting you to have learned the local vocabulary first.
No gates, but there is an inspector
Walk onto most German platforms and there is nothing to walk through: no barrier, no turnstile, no beep. You step off the pavement and onto the tram. That trust is real, and it is enforced by people rather than machines — inspectors board in ordinary clothes between two stops, ask everyone in the carriage, and issue a fixed penalty on the spot to anyone without a valid fare. There is no discussion and no sympathy for tourists. A paper ticket often still has to be stamped in a small box before you board; one bought in an app generally arrives already stamped for a time you chose, which is one fewer thing to get wrong.
The delay matters less than the change it breaks
A German journey is usually not one train. It is a fast service, a local one and sometimes a bus, and the useful question is never how late the first leg runs — it is whether the change at the other end still works, and what exists after it if it does not. That answer gets recalculated live, and it is the thing worth having. So is the platform, which can be reassigned late. So is the diagram showing where each carriage of a long-distance train will stop, which decides whether you board beside your seat or four hundred metres from it. Plenty of regional lines are run under contract by companies other than the national operator, which changes nothing about your regional fare but does change whose app is telling the truth about that particular departure.
The card in your pocket is not the card the till expects
Germany's small counters have never entirely surrendered to plastic. A bakery, a market stall, a neighbourhood restaurant: any of them may want notes and only notes, and plenty of tills that do take cards take the domestic bank card and not the international one you were counting on. Minimum spends are common. Keep cash on you, and treat the fare you bought on your phone as one of the few things you can settle without it.
