More than that (which is an amazing feature, don't get me wrong) is the fact that there is a single app for every public transportation system in the country.
Compare that to Italy/France/Spain (those that I know) where, depending where you are traveling to, you have to download, sign in, and give your credit card details to N different apps in different states of disrepair/being barely maintained.
Virtual credit cards (I use Revolut) that I then delete mitigate that, but still, what a mess.
In The Netherlands you just tap your card when you get in and when you get out. the fare is computed based on how many stops you went. No app needed. Supports all the virtual cards too like apple pay etc...
Compare that to Italy/France/Spain (those that I know) where, depending where you are traveling to, you have to download, sign in, and give your credit card details to N different apps in different states of disrepair/being barely maintained.
Virtual credit cards (I use Revolut) that I then delete mitigate that, but still, what a mess.